Yuukyuu no Catharsis except it was an ensemble by The Other Ren published on 2020-01-30T07:51:36Z Literally all of the 10 characters singing it at the same time. Comment by outrun the stars if you amke this edit,let me say it is amazing! helps that I have always like the sound of everyone singing at once,everyone covers each other voice pitch problems 2020-12-12T15:39:41Z