dkbk cat hybrid bkg and divorced deku

It’s been a few months since Izuku’s divorce from Momo. He had loved her dearly, but she hadn’t loved him. Several months ago, Momo admitted to having an affair with Izuku’s longtime friend, Shoto Todoroki.
Izuku had been heartbroken. It was a marriage of convenience, sure. But Izuku’s feelings for Momo were real, and it hurt to see her leave.

She let him keep the house and most of their assets, but she took their dog, leaving Izuku completely alone in their large apartment.
At first, Izuku didn’t mind. The dog was hers and she’d made sure the divorce was quick and clean. Izuku was an author, and the quiet of the empty space allowed him to clear his mind and write.

But after a while, the quiet was too much. He stayed in his bed for weeks.
He started missing deadlines, sleeping through meetings, and his publisher had enough. She told him to get it together or he would lose his contract with them.

But he was just so /lonely/ and it was too quiet and he couldn’t think anymore or the tears would flow.
Ochako suggested he try dating again. But Izuku thought he was too old and too reserved to fall in love again.

One day on his way home from the corner store, he passed a shelter.

Specifically, a hybrid shelter. Hybrids were rare and therefore extremely expensive.
But Izuku had the money, and it would be nice to have another living thing in the house. (Other than his plants, of course.) Another heartbeat to replace the empty space Momo had left.

So he went inside, looking at all the different hybrids they had, listening to the employee.
The employee rambled on and on about the hybrids, directing him towards the dogs and show breeds.

Izuku listened, wincing at the price tags. As the employee spoke, Izuku’s eyes wandered.

He spotted a soft blond tail sticking out of one of the doors. He was drawn to it.
“What about that one?” He interruptedthe chatty employee, pointing at the tail.

They looked at where he was pointing. “Oh sir. I don’t think you want that one. He’s a very temperamental cat hybrid.” They explained, trying to direct Izuku away.
“Let me see him.” Izuku insisted, much to the employees dismay.

“Fine.” They said, crossing to the door with the blond tail. “Someones here to see you.” They cautiously opened the door.

The hybrid inside -a blond cat hybrid- lashed out at the employee, hissing.
They wrestled him out looking at Izuku. “Um, are you sure?” They asked again, but Izuku wasn’t listening.

Izuku approached the squirming hybrid. His teeth were bared and his cream ears were flattened back against his head. He looked furious.
“Hello, I’m Izuku.” He greeted, holding out a scarred hand to the hybrid.

The cat hybrid looked at his hand and stilled, seeming interested. He gave a curious sniff to Izuku’s hand before biting down on it.

“Oh sir! I’m so sorry!” The employee frantically apologized.
Izuku laughed, shaking his head. Both the cat hybrid and the employee seemed surprised.

“I’ll take him.” Izuku said, smiling at the hybrid.

“Are you sure?” The employee asked, looking beyond confused. “He’s quite difficult to handle, sir.”
“I’m sure.” Izuku said confidently, pulling his hand free of the cat hybrids jaws. The hybrid had wild red eyes and he sounded like a handful. It would be impossible to feel lonely with him around. “He’s perfect.”

The hybrid puffed with pride at that.
The employee shook his head. “Alright man. Your funeral.” They said, handing the cat hybrid over. “His names Katsuki.”

Izuku held him, chuckling, before taking one look at those mean red eyes and putting him down. “Sorry. I hope you don’t mind me too much.”
Katsuki just stared at him, not saying anything.

The employee returned to them with adoption papers, showing Izuku where to sign and explaining what he would need.

Izuku nodded and signed the papers, smiling softly to himself. He was eager to bring the hybrid home.
He turned to Katsuki when he was done, smiling. “Come on Kacchan! Let’s get you everything you need!”





Katsuki followed the man around the store, watching him pick things out. He was... peculiar. But Katsuki didn’t mind him. He hated that ‘Kacchan’ nickname he insisted on using, but the man was kind and sang his praises.

Katsuki could deal with that.
“What about this Kacchan? Do you like this?” Izuku asked, shoving some stupid toy in his face.

Katsuki looked at it. Some dumb All Might squeaky toy. The shelter played the reruns of the old cartoon at night.

“Stupid.” He mumbled, the first thing he’d said to the man.
“Oh, sorry. It was my favorite show when I was little.” Izuku mumbled, looking at the toy fondly.

Katsuki felt the smallest twinge of guilt. The man had been so nice to him already, and he seemed sad.

Katsuki snatched the toy from him, holding it. “Dumb Deku.” He mumbled.
Izuku smiled at him, eyes shining. “Okay! I think that’s everything. Is there anything else you want?” He asked, dropping a few more things in the cart.

Katsuki shook his head, holding onto the toy. He just wanted to go to the mans house. He could feel eyes on him.
He knew he was rare, and he was proud of that, but right now he didn’t want to get snatched or something.

Izuku seemed to notice his discomfort. “Let’s go home, Kacchan. You’re probably tired.” He said, pushing his cart towards the checkout lines.
Katsuki watched the man check out. He was old, but not elderly. His green hair was slightly greying and his hands were scarred and slow. He seemed to fumble a lot.

Katsuki felt a bit bad for him. He was overly chatty, and Katsuki got an earful about his ex wife and his friend.
The more Izuku spoke, the angrier Katsuki got. Izuku seemed so kind, if a little annoying. Katsuki didn’t understand how someone could break his heart.

Izuku unlocked the door to his apartment, smiling at Katsuki. “Come on in! Sit anywhere. It’s just the two of us.”
Katsuki stepped in, immediately making his way to Izuku’s couch and flopping down. He watched Izuku carry everything in, pulling out Katsuki’s new stuff.

Katsuki watched him, tail flicking slowly. The apartment was beyond nice, and it was big enough for him to be satisfied.
[Ahhh tweet limit TBC]
Izuku got everything out and went over to Katsuki, sitting beside him. He smiled at him brightly.

That smile was annoying.

Izuku reached a scarred hand towards him and Katsuki reacted on instinct, biting down on his hand, sharp teeth digging into his skin.
The two stared at each other for a minute, completely silent.

Izuku’s bottom lip quivered, and Katsuki mentally cursed. ‘Don’t fucking cry.’

The thought barely crossed his mind before tears were rolling down the old mans cheeks. “I’m sorry.” He said quickly, standing up.
Katsuki watched him go into a room, frowning. He hadn’t meant to make him cry. He just didn’t want to be touched.

Katsuki got up, slowly going to the door of the room Izuku had gone into. He could hear quiet crying on the other side.

This guy was... sensitive.
Katsuki couldn’t decide if that was sweet or annoying.

He lightly knocked on the door. “Deku? ‘M hungry.” He said, not really sure how to get him to stop crying.

Izuku sniffled softly, cracking the door open and looking at him. “Okay Kacchan...”
Izuku slowly shuffled out of his room, heading towards the kitchen. He looked over at Katsuki. “Um... what do you like to eat?” He asked.

Katsuki sat on his counter, tail flicking slowly. “Spicy food. And fish.” He said, one ear twitching.
Izuku’s eyes immediately locked on his ear. He nodded slowly and turned, opening his fridge. “Sorry, I’ve never owned a hybrid before. Only a dog.”

Katsuki scoffed at that, watching him pull a small container out of the fridge. “I’m no dog, Deku.”
“I know, Kacchan. Is curry okay?” Izuku asked softly, opening the container.

Katsuki nodded, watching Izuku smile and put it in the microwave. The man started it up before looking at Katsuki, cautiously approaching him.

Katsuki suppressed a sigh and leaned his head down.
He didn’t want the man to cry again.

Katsuki hated being touched. He’d been bred and raised as a show hybrid. He was pampered and sheltered his entire life. He hated it.

No one ever touched him until the shelter. He’d run away at the first chance he got and was picked up.
He’d been in the shelter ever since, and the only times they touched him was to restrain him. They treated him like a /pet/. He wasn’t a pet. He was a hybrid. He wasn’t a regular old house cat.

Izuku’s hand stopped before he touched Katsuki. “If you don’t want me to, I won’t.”
“Please don’t.” Katsuki murmured, ears folded back.

Izuku nodded, smiling at him. “Okay, Kacchan. I won’t do anything unless you want me to.” He assured him.

He turned and opened the microwave, pulling out the reheated curry and handing it to Katsuki. “Here.”
Katsuki nodded, taking a small bite and watching Izuku busy himself around the house, tidying up. He started talking again. He never seemed to stop moving or talking.

Eventually Katsuki set down the empty curry container, getting up and making his way over to Izuku.
This mans pacing and muttering would /not/ do. He needed to relax before Katsuki lost it.

He grabbed Izuku’s arm, pausing for a moment. Izuku was wearing a loose sweater that hid his finger, but his arm felt like pure muscle.

Okay. That was a massive point in this mans favor.
Izuku looked at him in surprise, emerald eyes peering at Katsuki from under those green curls.

Ah shit. He’s cute.

Katsuki tugged him towards the couch, pushing him down and placing the All Might toy in his hands. He sat down beside him.
“Turn the show on.” He said, crossing his arms.

“What?” Izuku asked, a look of confusion on his face. He glanced down at the stupid toy. “You want to watch the All Might cartoons?”

Katsuki nodded. “Turn it on.” He said again, snatching the toy back.
Izuku’s face lit up and he nodded, grabbing the remote and turning the tv to an ad-riddled rerun of that old cartoon.

“This was my favorite show-“ He started, but Katsuki cut him off with a warning hiss. No more talking. Izuku had done enough of that for tonight.
They both settled down on the couch, watching the show. Katsuki curled up in a ball next to Izuku, the toy held close.

He liked the cartoon. It had gotten him through many nights at the shelter. It was comforting to him.
Katsuki wasn’t sure when, but at some point he ended up dosing off, cuddled close to Izuku’s side.





[TBC! I’m sleepy so I’ll continue this tomorrow. I hope you’re enjoying it!]
Izuku watched the cartoon, relaxing on his couch. He looked over at Katsuki, about to give him a fact about the scene, when he noticed the hybrid was asleep next to him.

Izuku smiled softly, hesitating before lightly touching his shoulder, just to see if he’d wake up.
When Katsuki didn’t stir or wake up, Izuku carefully stood. He gently laid a blanket over the hybrid, quietly making his way to his room.

Izuku changed into a faded pair of pajamas, getting ready to sleep. He left the cartoon on in case Katsuki woke up and got bored.
He kept his door open a crack just in case Katsuki needed anything, climbing into his bed. He didn’t want to bother Katsuki too much. He wanted to give the hybrid time to warm up to him.

It didn’t take Izuku long to fall asleep, but he was quickly woken back up.
His door creaked open, and he felt pressure on his bed. Izuku opened his eyes to see Katsuki clambering onto his bed.

He stayed silent, watching as a sleepy Katsuki settled down in the bed, soft purrs coming from him.
He wasn’t sleeping close to Izuku. He was laying in the spot where Momo used to sleep.

It made Izuku tear up slightly. He’d gotten used to sleeping alone. It felt beyond nice to have someone else in his bed again.
Katsuki had already fallen back asleep, curled up on Momo- his side of the bed. Izuku was tempted to touch one of his ears, but he resisted. As soft as they looked, he remembered how Katsuki had flinched away from him before.
He didn’t want to frighten or upset him, so he refrained.

Izuku closed his eyes, relaxing on the bed. He felt honored Katsuki felt safe enough to even sleep near him.

He drifted off to sleep once again, relaxing next to his new... housemate. Katsuki was no pet.
Izuku was only able to sleep for a few hours until he was woken up by Katsuki.

Or, to be more accurate, kicked off of the bed.

Izuku groaned and sat up, looking at his bed. Apparently Katsuki needed a lot of room. As in the whole queen sized beds worth.
The cat hybrid was sprawled out on his stomach, snoring and drooling onto Izuku’s pillow. It was kind of... cute. Adorable, really.

Izuku slowly got up, back aching. He’d landed a bit funny.

He looked at Katsuki and smiled fondly. He didn’t mind that the hybrid took his bed.
Izuku silently made his way out of the room, going into his living room and laying down on the couch. Katsuki could have his room for the rest of the night.

Izuku slept on and off through the night, unable to get comfortable on the couch. By the morning, he was aching all over.
Izuku pulled himself off the couch, heading into his kitchen to make his morning coffee.

He froze once he entered the kitchen. Katsuki was sitting on the counter, fully naked, eating out of a tuna can.

“Ka-kacchan!” Izuku yelped, covering his eyes and blushing.
Katsuki looked up at him, tail slowly swishing around behind him. “Hm? Morning, Deku.”

“I told you, my names Izuku!” He huffed, shaking his head. “And why are you naked on my counter!? What happened to your clothes?” He stammered, keeping his hand over his eyes.
“Those shelter clothes were itchy. And it sounded like Deku to me.” Katsuki shrugged, setting the can down and stretching out. Bad moment for Izuku to peek between his fingers.

“You can borrow some of mine! But you need to wear clothes, Kacchan!” Izuku sputtered in panic.
“Why? Isn’t it just the two of us? Besides, your clothes are too big for me.” Katsuki said, hopping off of the counter.

Izuku lowered his hand, face red. “You really need to wear something. I’ll get you some clothes.” He mumbled, quickly leaving the kitchen.
He heard Katsuki grumble something but didn’t listen. Izuku wasn’t entirely familiar with hybrid etiquette, but he’d rather not get an eyeful of naked Katsuki without any warning.

Not that he was unattractive! That wasn’t it. Izuku shook his head, embarrassed.
Why was he trying to justify this to himself? Katsuki needed clothes and that was that.

Izuku found some old soft sweatpants and a faded hoodie from his high school days. They should fit Katsuki fine.

Izuku was a bit taller than Katsuki, and much more... well, built.
Izuku tended to work out to take his mind off of things, and he needed to take his mind off of things a /lot/. So he gained a decent amount of muscle.

Katsuki was slim, bordering on malnourished. Izuku’s clothes would probably fall right off of him.
He went back to the kitchen, handing Katsuki the clothes and turning away until they were on.

“Alright Deku. Better now?” Katsuki huffed, crossing his arms.

Izuku looked over, nodding. “Much.” He said, stepping over to the coffee machine. He started to prepare his coffee.
“So um... Kacchan. How’d you end up in a shelter, anyways?”





[TBC!]
(cw: abuse mentions, angst)

Katsuki had been frightened when Izuku came into the kitchen. He wasn’t sure if he was going to be in trouble or not. He didn’t want to be hit or restrained like at the shelter. He’d just been hungry. The people at the shelter rarely fed him.
But then Izuku brought him clothes. He didn’t fuss at him for eating. He was just... kind. Gentle.

It made Katsuki feel warm inside.

Izuku’s clothes were soft and warm and smelled faintly of his stupid pine cologne. It was oddly comforting. Izuku was comforting.
But then he asked the question.

“How’d you end up in a shelter, anyways?”

Katsuki just stared at him for a moment. “It’s a long story, Deku. I don’t think you wanna hear it.” He said, stomach growling again. That tiny tuna can wasn’t enough but he didn’t want to ask for more.
“If you want to tell, I’ll listen.” The man said, reaching into his cabinet and pulling out another can of tuna. He held it out to him. “Eat.”

Katsuki slowly took the can, flinching when Izuku’s hand moved.

“I’m not gonna hit you, Kacchan.” Izuku said, his voice soft.
Katsuki looked up at him and back to his hand, forcing himself to relax. He wasn’t going to be scared of some silly old man. “I know. I know that, Deku.” And he did. He knew Izuku wasn’t the type to hit him. But he couldn’t help that feeling in his gut when he saw his hand lift.
He hated it. How scared he was of a simple movement. But he couldn’t help it.

“Okay. Do you drink coffee, Kacchan?” Izuku asked, pulling two mugs out of his cabinet.

Katsuki nodded slowly, sitting on the edge of the counter and opening the tuna can. “Sometimes.”
“Alright. There should be enough for us both.” Izuku said, pouring the coffee into the two mugs and reaching over to open the fridge. “Cream and sugar?”

Katsuki watched him move, eyes focused on his hands. “Yeah. Cream but no sugar.”
Izuku smiled and nodded, pouring creamer into his coffee and handing it to him. “Here you go, Kacchan!”

Katsuki slowly took the mug, looking at the scars on Izuku’s hand and crooked fingers. “What happened to your hands?” He asked, sipping the coffee.
He hadn’t had coffee in a long time. It was so much better than he remembered.

“Oh, before we moved in here Momo and I had a house with a big yard. I did all the yard work. Messed up my hands and arms pretty badly.” Izuku said softly. “They’re ugly, I know.”
“They’re not.” Katsuki grumbled. Izuku seemed to take every opportunity to put himself down. “Stupid old man.”

Katsuki jumped as Izuku let out a laugh at that. His laugh was a deep rumble that made Katsuki feel warm. Welcome.

“Old man? I’m not that old!”
Katsuki shook his head. “Yes you are! You can barely get around!” He snorted.

“I get around just fine!” Izuku shot back.

“Sure.” Katsuki rolled his eyes, looking into his mug. “I ran away from my owners. They were breeders. I was just a fancy show pet to them. So I left.”
Izuku didn’t say anything, silently sipping his coffee and listening.

“I was fine on my own for a bit, but then I got nabbed and shoved into that shelter. My owners never let me eat and kept me on a bunch of meds so I was ‘perfect’.” Katsuki continued, gripping his mug tightly.
“The shelter hardly fed me either. I scratched a few of them up the first day and they didn’t bother with me after that. I only got fed if I was lucky. They kept me on the meds.” Katsuki murmured, leaning back. “So there, that’s my story.”
Izuku’s gaze was soft, his eyes full of pity. Katsuki hated that.

“Oh Kacchan... I’m so sorry.”

“Don’t apologize!” Katsuki snapped, shaking his head. “I don’t need a stupid old man feeling sorry for me.” He hissed, crossing his arms and glaring at Izuku.
“Okay okay. Well I won’t give you any medicine unless you’re sick and you’re always welcome to my food. Just tell me if we’re running low on anything.” Izuku said, trying to be reassuring.

Katsuki nodded slowly, opening the tuna can. “Okay, Deku. Thanks.”
“Of course. This is your home now. I want you to be happy here.” Izuku said, smiling at him softly.

Katsuki hummed and flicked an ear, eating the tuna slowly. “Can I have my own room?” He asked after a moment. He didn’t want to end up kicking Izuku out of his bed again.
“Of course!” Izuku said, smiling brightly. “I’ll set up the guest bedroom for you! It’s yours now.”

Katsuki couldn’t help the small purr that rumbled in his throat. The idea of having his own room was something he never thought he’d achieve.
Izuku shuffled slightly for a moment, sipping his coffee. “So, the shelter. Did they treat everyone badly?” He asked quietly.

Katsuki glanced up at him and nodded. “Yeah, they did. The well behaved show hybrids were treated better though.”
Izuku nodded, pinching his lower lip in thought. “Alright. I’m gonna work today, but you can help yourself to the tv. If you need anything, just ask.” He said, setting his empty mug in the sink.
“Are you leaving? What do you do for work?” Katsuki asked, not sure he wanted to be alone.

“Just going to my desk. I’m a writer. I work from home.” Izuku said, smiling at him and heading out of the kitchen.

Katsuki followed him curiously, watching Izuku make his way to a desk.
It was an old, worn out wooden desk sitting in front of one of his apartment windows.

Izuku settled down at the desk, putting on a pair of reading glasses and starting to type away on the computer.

Katsuki sat down in a chair nearby, watching him silently.
They spent the day like that.

Katsuki lounging in the chair, occasionally getting up for food or to release some energy.

Izuku typing out paragraphs on his computer, looking out the window and stretching when he needed a break.

It was nice.





[TBC!]
Over a few weeks, Izuku and Katsuki grew closer.

Izuku set up the guest room for Katsuki, buying him his own bedding and curtains and anything else he wanted for his room.

Katsuki spent most of the day watching Izuku write, dozing off in his chair sometimes.
It felt nice having someone else around. Izuku got pretty attached to Katsuki.

Eventually Katsuki stopped flinching around Izuku. He let Izuku touch him after while.

He complained about it, but Izuku’s hands were always able to find the spots to scratch that felt the best.
Izuku settled down in his chair to write, and Katsuki sat on the floor beside him, head resting on his thigh.

Izuku smiled softly and rested his hand in Katsuki’s soft hair, rubbing just behind his ears.

Katsuki purred softly, closing his eyes and relaxing at his touch.
“You like that, Kacchan?” Izuku asked softly, looking down at him and smiling fondly.

Katsuki let out a grumble and nipped at one of his fingers. “Shut it, old man.” He growled, trailing off into a purr as Izuku rubbed one of his ears.
Izuku heard a knock at the door and glanced over at it. “I’ll be right back, Kacchan, I have to get that.” He said, getting up and patting Katsuki’s head.

Katsuki growled and climbed into Izuku’s chair, ears twitching in annoyance. He wanted Izuku’s full attention.
Izuku opened the door, freezing as he came face to face with Momo. “Ah, Momo! What are you doing here?” He asked, gripping the door.

Momo shifted in the doorway, a hand resting on her round stomach. “Can I come in, Izuku? I need to talk to you.”
Izuku nodded, stepping to the side to let her in. “You’re pregnant.” He said, eyes zeroing in on her stomach.

“Yeah, that’s part of what I need to talk to you about.” Momo said, walking in and sitting down.
A loud hiss caught their attention, and the two turned to see a very angry Katsuki. “Why is she here?” He snarled, teeth bared at Momo.

“Ah, Kacchan! It’s okay!” Izuku said quickly, rubbing behind Katsuki’s ears to calm him down.
Katsuki continued to glare at Momo, a low purr rumbling in the back of his throat.

“Izuku, I didn’t know you had a hybrid.” Momo said, clearly disturbed by Katsuki’s aggression towards her. “He’s very... unique.” She murmured, rubbing her stomach gently.
“Momo, this is Katsuki. He’s a bit abrasive but he’s excellent company.” Izuku praised, earning a pleased noise from the hybrid. He smiled at Katsuki, gently rubbing his ear.

Momo nodded slowly. “Well, I didn’t come here to talk about him. I was hoping I could get a small loan.”
Izuku stared at her for a moment before shaking his head and laughing. “That’s funny. So what did you come here for?” He asked.

“I’m serious, Izuku. I need money.” Momo said, gripping the handle of her purse tightly. “I was hoping you could give me a small loan.”
Izuku shook his head and scoffed. “Momo- I know you didn’t come back here after leaving me for my best friend just to ask me for money.” He said, a bitter edge to his voice. “Ask your new boyfriend for the money. Or your bank.”
Momo sighed, shaking her head. “I can’t. He left me.” She said, setting down her purse. “After I started showing he decided he couldn’t be a father. He took everything and left.”

“Hurts doesn’t it?” Izuku said, shaking his head and sighing.
“I’m sorry, Izuku. I know I messed up. But I’m in debt and my rents up in a week. Please help me.” Momo pleaded.

Izuku sighed, rubbing his face. As much as he didn’t want to, he still cared. “Fine, how much do you need?” He asked, going to his desk.
“I need 400 dollars.” Momo said softly, fiddling nervously with the sleeve of her sweater.

Izuku sighed, pulling out his checkbook. “Alright. But this is the only time. Okay?” He said, filling out a check quickly.
“It’s not like you can’t afford it.” Momo mumbled, causing Izuku to freeze.

He turned around, facing her. “What did you say to me?” He asked, gripping his pen tightly.

“You have a hybrid. Those are expensive, Izuku. And I know you make a lot from your stupid books.”
Izuku laughed and shook his head. “Stupid books? They weren’t stupid when they bought our thirty thousand dollar wedding!” He yelled, feeling all the anger towards her he’d been holding in bubbling up to the surface.
Momo shook her head. “Your books are so childish. You write about superheroes. Your target audience is fourteen.” She snapped back.

Izuku tore the check out of his checkbook, handing it to her. “Get out of my house Momo. And don’t /ever/ come back.”
Momo huffed and took the check. “Gladly. Goodbye, Izuku.” She said, turning and grabbing her purse, leaving the apartment and slamming the door.

Izuku sank onto his couch, bursting into sobs. Seeing Momo just brought back all of the emotions he’d been trying not to feel.
Katsuki slowly crept towards him, never having seen Izuku show such intense emotion before. He always seemed so... reserved.

Katsuki slowly climbed into Izuku’s lap, gently wiping away his tears. “Hey... she never deserved you, Deku.” He said softly.
Izuku sobbed, looking up at Katsuki. “You really think that?” He asked softly, wrapping his arms around Katsuki.

Katsuki gave him a rare soft smile and nodded. “Yeah. You’re a great guy. For an old man.”

Izuku chuckled at that. “Thanks, Kacchan.” He sniffled.
He buried his face in the hybrids neck. “I feel better now.”

“Good. Now stop crying and turn on that stupid cartoon of yours. I wanna finish season four.” Katsuki said, lightly biting one of Izuku’s ears.
Izuku whined and pulled away, pouting. “Kacchan’s so mean.” He huffed, shifting and grabbing the remote.

“Yeah yeah. Warn me if you ever wanna cry again, shitty Deku.” Katsuki said, curling his tail around Deku’s arm.
Izuku chuckled softly. “I will, Kacchan. Sorry for being such a crybaby.” He said, giving him a small smile.

“You’re not a crybaby.” Katsuki mumbled, but Izuku didn’t seem to hear.

That’s okay. He’d tell him later.





[TBC]
cw: nsfw, katsuki w/ pussy, heat sex, daddy kink, praise, overstimulation, age gap

Katsuki squirmed around in his bed, feeling hot and uncomfortable.
He’d woken up in a sweat, his entire body burning. He didn’t know what was wrong with him.

Katsuki whined, peeling his clothes off and squirming again. He let out a whimper, not sure if he was sick or not.
“Kacchan, are you okay?” Izuku called from the other side of the door.

And /oh/ did Izuku’s voice do something to the hybrid.

Katsuki let out a /moan/. A fucking /moan/. He started to grind against the blankets in his bed, whining.
Fuck. He was horny. And Izuku was just making it worse.

“Go away! I’m fine!” Katsuki shouted, reaching down and rubbing his clit. He briefly imagined them as Izuku’s fingers.

Mistake. He came instantly, squirting with a gasp.
“Are you sure?” Izuku called. “You sound... distressed.” He said, jiggling the doorknob. Luckily for Katsuki it was locked.

“I said I’m fine, Deku!” Katsuki yelled, slipping a finger into himself and shuddering, biting back another moan.
“Alright. I’m gonna make some coffee. Do you want some?” Izuku asked, not leaving.

“Yeah sure just go!” Katsuki called, slipping another finger into his hungry pussy.

Fuck, he’d never felt this horny in his life. His stupid fingers weren’t enough.
“Fuck! Deku!” He cried. He needed that stupid old mans help. “Get in here!” He moaned, stumbling to the door and unlocking it.

Izuku immediately opened the door, looking at Katsuki in concern. That quickly morphed into surprise.
“Deku. Deku I need help.” Katsuki sobbed, grabbing onto Izuku’s shirt.

“Kacchan, what’s wrong?” Izuku asked in concern, gently touching his shoulders.

“Please, I need-“ What exactly /did/ he need? A dildo? A cock? He wasn’t sure.
Izuku’s eyes widened as he put the pieces together. “Kacchan, are you in heat?” He gasped, taking a step away from him.

“Oh fuck I am.” Katsuki moaned, ears folding back. “Please. Help me. I need... I dunno, a toy or something.”
Izuku nodded, a light blush on his face. Katsuki’s eyes quickly flicked to the obvious bulge in his pants.

God, he could /not/ get fucked by his owner. No way.

“Go. Go get me something, damnit!” Katsuki snapped, whining.
“Okay okay! I’m sorry, Kacchan.” Izuku said quickly, stepping away from him and rushing down the hall.

Katsuki went back to his bed, grabbing a pillow and putting it between his legs. He rutted against it, moaning at the slight relief.
Izuku came back with a box full of sex toys, placing it on the floor. “Um, these were Momo’s. She left them. They’re clean.” He said quickly. “I hope this is good-“

Katsuki pushed him away and cut him off, grabbing the first cock shaped thing he saw and lowering himself onto it.
“Fuck!” Katsuki moaned, throwing his head back at the relief that flooded through him. “So good.”

Izuku quickly backed out of the room, face bright red. “I’ll give you some space.” He stammered, really just needing to tend to the throbbing erection in his pants.
Katsuki ignored him, bouncing up and down on the dildo inside him. He came again, shuddering and moaning.

Fuck. It was good, but not enough. He wanted more. His body screamed for more.

“No.” He told himself, starting to bounce again. “I will /not/ fuck the old man.”
Katsuki managed to orgasm once more before he tossed the dildo away, collapsing onto the bed. He felt absolutely exhausted, but that gnawing need was still in his stomach.

Katsuki whined, squirming on the bed. No. Izuku wouldn’t want to fuck him anyways.
Katsuki listened as Izuku fumbled around in the house, thinking about that stupid blush Izuku had on his face.

Damnit.

“Deku! I need you!” He sobbed into his pillow, gripping the sheets tightly. He hated admitting it, but he wanted Izuku inside him. /Now/.
Izuku was at the door within a minute. “Yes, Kacchan? Do you need something?” He asked, still blushing.

Katsuki let out a whine. “Please. Deku, I need your stupid cock.”

Izuku shook his head. “What? Kacchan! You want me to-“ He sputtered, unable to finish.
“Fuck me damnit!” Katsuki snapped, grabbing Izuku’s waistband and yanking him close. He began angrily tugging on his pants, trying desperately to get them off.

“Wait, Kacchan! Let me do it.” Izuku said, quickly squirming his way out of his pants.
Katsuki laid back, watching as Izuku climbed on top of him. Izuku looked down at him, eyes wide. “Kacchan... you’re beautiful.” He murmured.

Katsuki blushed and growled. “Just fuck me, you hopeless loser.”

Izuku nodded, leaning down and kissing Katsuki deeply.
Katsuki was about to complain, but then he felt Izuku’s hands cup his chest. He closed his eyes, moaning as Izuku pinched his nipples between his fingers.

“Deku.” He breathed, his tail curling around Izuku’s thigh. He knew what he was doing.
Izuku pulled away from the kiss, latching onto one of Katsuki’s soft pink nipples and sucking on it.

Katsuki’s back arched and he moaned loudly. “Deku! Deku please!” He sobbed, pussy /throbbing/. He needed Izuku’s dick in him and he needed it /now/.
Two of those scarred fingers slipped into Katsuki’s wet hole, slowly working him open. It felt like absolute heaven.

“Deku, please! Fuck me! I need your cock!” Katsuki sobbed, squirming underneath him. Izuku was taking him apart.
“Be patient, Kacchan.” Izuku murmured against his chest, kissing across it gently. “You’re so beautiful. So perfect. Kacchan’s so amazing.” He praised.

That did it for Katsuki. He came suddenly, and it was amazing. His back arched and he moaned loudly, panting.
Izuku chuckled softly, pulling his fingers out and moving his head down.

Katsuki watched him, moaning loudly as Izuku’s tongue slipped into his pussy. “Fuck! Deku!” He gasped, thighs clamping around Izuku’s head.
Izuku grabbed his waist, eating him out with painstaking care. Katsuki whimpered, feeling overstimulated. But it was so /good/ he didn’t dare complain.

Izuku sucked on his clit, gazing up at Katsuki with loving eyes.

Katsuki moaned, squirting onto Izuku’s face as he came again.
[Tweet limit TBC in a second]
“Fuck, Deku. You’re so good at that.” Katsuki panted, exhausted. He felt like he’d fall asleep at any moment.

Izuku pulled away from Katsuki’s abused cunt, wiping his face. “Oh, I’m not done yet, Kacchan.” He said, grinning.
Katsuki’s eyes widened at that. He opened his mouth to protest but was stopped by Izuku kissing him deeply.

Katsuki whined, grabbing Izuku’s strong arms as his fat cockhead bumped against his pussy.
“Deku wait-“ Katsuki gasped, throwing his head back as Izuku began to slowly push into him. He let out a loud moan, digging his fingers into Izuku’s arms.

“What was that, Kacchan?” Izuku asked him as he bottomed out, grinning down at Katsuki.
Katsuki just whimpered, trembling slightly. It felt so good but too much at the same time. He couldn’t take any more. “Izuku please.” He cries, tears rolling down his cheeks.

Izuku thrusted harshly into him, a low chuckle leaving him. “You’re beautiful when you cry, Kacchan.”
“Shut up...” Katsuki whimpered, choking on another moan. His tail curled around Izuku’s waist, beckoning him closer. “Hurry up.”

Izuku laughed, slowly thrusting into him. “Hurry up what, Kacchan?” He asked, pulling almost all the way out.
“Fuck me damnit! You’re going so slow! Please!” Katsuki sobbed, bucking his hips and trying to pull Izuku in again.

Izuku chuckled, thrusting into him faster, kissing along his jaw. “Such a good little kitten, Kacchan. So good for daddy.”
Katsuki’s back arched and his eyes rolled back. He moaned loudly, ears flicking wildly. “Daddy!” He panted, the nickname turning his brain to mush.

“Fuck me daddy! Fuck me please! I need your cock I need it so badly daddy!” Katsuki wailed, sobbing.
Izuku grinned and started thrusting harder and faster, mouthing at Katsuki’s neck and leaving small marks and bites.

“That’s it, kitten. You’re so good. So good for daddy.” Izuku murmured, continuing to feed Katsuki a string of praise.
Katsuki’s entire body shuddered violently as he came, screaming out. “Daddy!” His body went limp, too overstimulated to move any more.

Izuku continued to pound into him, thrusts becoming erratic as he panted.
Katsuki reached up and ran his hands through his hair lovingly. “Izuku...” He murmured, purring softly.

Izuku moaned and came into him, collapsing on top of him and wrapping his arms around him. “I love you, Kacchan.” He murmured, leaving soft kisses on his skin.
“I love you so much.”

Katsuki smiled softly, relaxing and closing his eyes. He stayed silent for a long moment, playing with his hair.

“I love you too, Deku. And not just because of that dick of yours.”
Izuku looked up at him. “Really? Why?” He asked softly, a stupid confused look on his face.

Katsuki shoved his face. “Ugh. You’re so kind and thoughtful. It’s disgusting. You took me in and care for me... you let me be myself. It’s annoying. But it also makes me like you.”
Izuku gave him a stupid, dopey grin. “Really, Kacchan? You mean that? You love me?” He asked, tugging the hybrid close.

“Yeah. I do. I love you, asshole.” Katsuki sighed.

“I love you too, Kacchan. I do. You’re really amazing...” Izuku murmured softly, stroking his hair.
Katsuki purred happily, smiling at him. “Thank you, shitty Deku.” He said, relaxing under Izuku.

Izuku smiled and kissed his cheek, chuckling softly. “Any time, Kacchan.”

Katsuki closed his eyes, slowly drifting off to sleep, happier than he ever had been.





[TBC]
They spent the rest of Katsuki’s sudden heat together, the hybrid hanging off of Izuku’s dick almost every minute. They only separated for Izuku to bring him food.

It was perfect. Katsuki had never felt so good in his entire life.
Once it was over, Izuku went back to being awkward and closed off. It frustrated Katsuki. He couldn’t understand it. Didn’t Izuku want him anymore?

He was settled in his spot by Izuku’s chair, watching him write and sipping coffee when he finally decided to confront him.
“What’s the deal, Deku?” Katsuki growled, causing Izuku to jump.

The old man looked at him, blinking in confusion. Fuck. He’d had to get reading glasses and it made him even hotter.

“Do you not want to fuck me anymore? Am I not good enough for you?” He asked.
“What? No! That’s not it at all, Kacchan!” Izuku gasped, dropping his pen and turning to face him fully. “I just... it was your heat. I didn’t think you’d want me after that.” He said, fiddling with one of his sweater sleeves.

Katsuki just stared at him, incredulous.
“For a nerd, you’re pretty stupid.” Katsuki said flatly, shaking his head. “I told you I loved you, asshole. I meant that. If you want to fuck me again I would want that too.” He said, fumbling over his words as he grew embarrassed.
“Really, Kacchan? You mean that?” Izuku asked, stupid green eyes wide and hopeful.

“Yes, damnit! I want to be with you, asshole!” Katsuki hissed, ears flattening back against his head. His tail lashed behind him angrily.
“I want to be with you too!” Izuku said quickly, smiling at Katsuki and pulling him into his lap. “I love you so much, Kacchan! You’re amazing!”

Katsuki blushed, shaking his head. “Stupid old man...” He mumbled, burying his face in the crook of Izuku’s neck.
“I’m your stupid old man.” Izuku said happily, giving the hybrid a loving squeeze. “You’re stuck with me now, Kacchan. It’s just you and me.”

Katsuki purred softly, lightly running his hand over his stomach. He smiled fondly, giving Izuku a light shrug.
“Well, maybe not /just/ you and me...” Katsuki murmured softly, kissing Izuku’s cheek softly.





[TBC]
Izuku was standing in the kitchen, humming softly as he made pancakes. A soft smile rested on his lips.

Katsuki sat on the counter and watched him, gazing at him with loving eyes.

Two children clung to Izuku, one holding onto each leg.
“Daaad! Are the pancakes done yet? I’m hungry!” Kazumi pouted, tugging on his pants. Her little blond ears twitched and she frowned.

“Almost, Kazumi. Why don’t you and your brothers go sit at the table?” Izuku asked, smiling down at her.
Kazumi nodded, grabbing her brother by the tail and pulling him away from Izuku’s other leg.

Her brother, a little dark green kit with red eyes, yelped and took a swipe at her.

Kazumi immediately burst into tears. “Hoshi’s trying to hurt me!” She wailed.
Izuku sighed, leaning down and separating the two. “You two need to behave.” He scolded, frowning at them. “Go join Aki at the table or I’ll make something really nasty for breakfast.”

Hoshi immediately ran out of the kitchen, Kazumi hot on his trail.
Katsuki chuckled, shaking his head. “Silly kittens.” He murmured.

“I’m too old to keep up with them.” Izuku sighed, shuffling over to Katsuki and kissing him softly.

“That’s too bad, fucker. You’re getting a few more.” Katsuki chuckled, rubbing his round stomach.
Izuku let out a low chuckle and wrapped his arms around him, sighing. “You’re gonna be the death of me, Kacchan.” He murmured, gently rubbing his hip with his thumb.

Katsuki laughed, cupping Izuku’s face in his hands. “Good, I’d be mad if someone else ended you.”
Izuku snorted, kissing the side of his neck softly. He gently rested his hand on Katsuki’s stomach, smiling softly when he felt a kick.

“Our little kittens can sense their daddy.” Katsuki purred softly, nipping at Izuku’s jaw lovingly. His tail curled around Izuku’s wrist.
Izuku smiled happily, reaching up to lightly rub one of Katsuki’s ears between his fingers. “I can’t wait to meet them.” He murmured.

Katsuki purred softly, closing his eyes and relaxing. He leaned into Izuku’s touch, relaxing.
He was glad Izuku had adopted him that day. Katsuki wouldn’t trade his silly old man for the world.

[END]
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