Yn is a extra student that joined the class 1a but he framed by the league of villains no one believed him as he spent the rest of his days in Tartarus prison till the league of villains revealed that Yn wasn't the traitor after being let out of prison as ua wants Yn to return but he doesn't as Yn changed in prison Yn wants vengeance towards the league of villains Yn becomes something that make hero and villans fear

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The Arkham knight

Ship Yn x nejire

Yn hit list
League of villains
Shigiraki
Dabi
Afo
Overhaul
Muscular