Aiden is a die-hard fan of the unknown band Chasm. Just before a show, he witnesses the band’s leader walk out right before his eyes, leaving the group on the brink of breaking up.
“Shit! How are we supposed to play without a bassist?”
“I, I’ll play bass!”
He was thrust into the role of Chasm’s bassist on the spot, but Aiden’s playing skills were nothing short of disastrous... Seth, already on edge from a breakup and financial struggles, acts recklessly toward Aiden, and the fate of the two of them and the band hangs in the balance.
“Hey, if you can’t play that song all the way through by next week, I’ll bite off your lips and fingers. Got it?”(Source: MrBlue, translated)
— Description from AniList community (anilist.co).