https://www.mangago.zone/read-manga/juujika_no_rokunin/
https://www.mangago.zone/read-manga/pumpkin_night/
https://www.mangago.zone/read-manga/devil_returns_to_school_days/
https://www.mangago.zone/read-manga/prison_lab/
https://www.mangago.zone/read-manga/psycho_revenge/
https://www.mangago.zone/read-manga/if_you_don_t_want_to_die/
https://www.mangago.zone/read-manga/the_regressed_son_of_a_duke_is_an_assassin/
https://www.mangago.zone/read-manga/castle/
https://www.mangago.zone/read-manga/star_fostered_swordmaster/
https://www.mangago.zone/read-manga/bones/
https://www.mangago.zone/read-manga/true_education/ (similar to revenge but its so fucking good)
revenge with no romance
it can be school revenge or fantasy doesn’t matter ^^