Responses
i havent caught up with killer peter in a while but maybe these? if youre lookin for revenge-y action mangas:
mc goes back in time after becoming comatose due to bullies; starts his revenge:
https://www.mangago.zone/read-manga/devil_returns_to_school_days/
(i havent read this but seems similar ish?):
https://www.mangago.zone/read-manga/granny/
prison guard brother died, mc goes to kill all the inmates:
https://www.mangago.zone/read-manga/the_executioner/
conglomerate's daughter died from bullying, father adopted a killer to get revenge:
https://www.mangago.zone/read-manga/unstoppable_hayeong/
Is there anything similar to Killer Peter? I think the premise is unique and well written usually they go back in time but only his body did in this one. I like how he isn't too op but isn't too weak either.