Heree are some I have..
(2nd is Not in a school setting but there are bullies and revenge so)
https://www.mangago.zone/read-
manga/pumpkin_night/
https://www.mangago.zone/read-manga/brutal_satsujin_kansatsukan_no_kokuhaku/
Maria no Danzai
It sounds pretty close to watch ur looking for
Wow thanks!! I've seen Maria no Danzai online but nobody ever gave the name so I'm grateful ^^
Totally forgot I had https://www.mangago.zone/read-manga/brutal_satsujin_kansatsukan_no_kokuhaku/
On my reading list so I appreciate you reminding me^^
And I'll definitely give that first on a try it looks scary so I'm excited!
Looking for a manga like
https://www.mangago.zone/read-manga/koisuru_psycho_no_shirayuki_kun/
I want to read some bullies getting what they deserve