One day, when I feel like being drowned in audio ads, I'll reorganize the list to make it flow better :/

Also... If there is nightcore, it's literally because at the time I could not find the actual full version.

Generic Playlist

Super Beaver - Rashisa ( Barakamon Opening ) Full Verison

Opening Completo do Anime Hajime no Ippo New Challenger

Hajime no Ippo Hekireki

I don't own 
Rights to Kankaku Piero and JIJI records
This is an edited version

Black clover op🐾 Kankaku Piero, Haruka Mirai

O- Grip!

Literally all of the 10 characters singing it at the same time.

Yuukyuu no Catharsis except it was an ensemble

The Other Ren