Personal Top 10 Anime OPs Thread (as of) January 2021: rankings determined on the basis of it being my list
10. The Melancholy of Haruhi Suzumiya - Super Driver
9. Welcome to the NHK! - Puzzle (v2)
8. Railgun S - sister's noise
7. Haibane Renmei - Free Bird
6. top 10 op list staple
5. Symphogear GX - Exterminate
4. Beck - Hit in the USA
3. Higurashi no Naku Koro ni Kai - Naraku no Hana
2. K-ON!! - Go! Go! Maniac
1. Monogatari - Mathemagics