Responses
(Warning: most contain dark themes/images)
Juujika no Rokunin
Unhinged
I’m Not That Kind of Talent
Vinland Saga
Berserk (haven't read yet)
Tokyo Revengers
Clover (tetsuhiro Hirakawa) (doesn't center around revenge, but it happens multiple times throughout the series)
Brutal: Satsujin Kansatsukan no Kokuhaku
Pls give me really good revenge manga/webtoon. Preferably of the Mc goes from weak to strong. MC can be villain-like. Gore is ok.