https://www.mangago.zone/read-manga/ijimeru_aitsu_ga_waruinoka_ijimerareta_boku_ga_waruinoka/
https://www.mangago.zone/read-manga/villain_classroom/
https://www.mangago.zone/read-manga/concentration_of_malice_r19_version/
https://www.mangago.zone/read-manga/the_one_within_the_villainess/
https://www.mangago.zone/read-manga/how_to_get_rid_of_a_husband/
https://www.mangago.zone/read-manga/pumpkin_night/
https://www.mangago.zone/read-manga/a_sense_of_amusement/
https://www.mangago.zone/read-manga/hero_killer_1/
https://www.mangago.zone/read-manga/hectopascal/
Woo! Thank you so much for the list!!! ヾ(☆▽☆)
Brutal: Satsujin Kansatsukan no Kokuhaku
Any good and satisfying revenge stories? Psychological is a plus! Don't care much for action/violence, a little is fine.
(๑•ㅂ•)و✧