Responses
These two match the description:
https://www.mangago.zone/read-manga/kemono_asobi/
https://www.mangago.zone/read-manga/sneaky_red/
Idk what you're searching for, but sneaky red is better imo
https://www.mangago.zone/read-manga/simplified_pervert_romance/
This one also technically counts, but he mostly picks fights with other people
thank youu but im pretty sure it was a manwha
there was this masochist who picked fights with this one guy and the guy figures it out but i forgot what happened next, its a manwha