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Kimi no Kokoro Wa Kagayaiterukai? : First shown animated media that confirms Chika and You are childhood friends or long time friends.
CYaRon!: following the subunit combination voting in December 2015 and name selection reveal in April 2016, CYaRon was formed with Chika, You and Ruby
Koi Ni Naritai Aquarium MV: First shown plot line around the ship, also to date the only piece of animated content with the most ChikaYou moments
Yozora wa Nandemo Shitteruno? : released May 2016, with the lyrics being very symbolic of Chika and You's later described relationship from official media, thus the song being accepted as the ChikaYou song by the fandom
Love Live Sunshine episode 1: Aired in July 2016, features a bundle of cute Chika and You moments which includes Chika's thoughts about You and her talents (when talking to Riko), them working together for the club, and the emotional moment of You signing up for the club
Love Live Sunshine episode 11: You's character episode, the plot revolves around You developing envy for Chika's new friend Riko, where her worry of being replaced is gone as Chika shows up to practice with just her and You
bonus: You's vivid imaginations of trying to confront Chika with her feelings, which very much resemble anime love confession stereotypes
Omoi yo Hitotsu ni Nare: the song was released in November 2016 with 8 performing members (excluding Riko), and Chika and You center the song in the anime. The choreography is frankly quite gay
SKY JOURNEY (Happy Party Train): Released April 2017 after dengeki elections made Kanan the A-side center, You and Chika placed next to each other in 5th and 6th, resulting in them getting a very long duet part in the B-side track SKY JOURNEY
(starts 1:25)
(starts 1:25)
Love Live Sunshine Season 2 Episode 6: Chika is practicing her backflip at night, and only You is accompanying her until Riko and the others eventually join them
Love Live Sunshine Season 2 Episode 7: there are a lot of little moments here, like You hugging Chika in anticipation of the results of the qualifiers ..
or like when You stops Chika from overdoing herself when Chika is desperate to stop Urajo from closing down (lots of hagus), and later when the two of them with Kanan and Riko stand by the pool and pray for Urajo
Love Live Sunshine Season 2 Episode 11: The only "conclusion" we got to You's arc in season 1; You and Chika talk it out the night before the school closing festival, where You tells Chika how much she's admired her and says "Let's stay this way until we become old grannies"
The context of that scene also recreates season 1 episode 1, when the two of them are scouting members for the idol club. Chika catches You imitating her and they reminisce over how far they've come
i was worried the thread would fail to post which is why I paused it here, but there's still more stuff to add!
