beta
Based on that manga, you may like the following:
https://www.mangago.me/read-manga/prison_lab/ (bullying, revenge)
https://www.mangago.me/read-manga/the_hero_who_seeks_revenge_shall_exterminate_with_darkness/ (betrayal, revenge)
https://www.mangago.me/read-manga/ijimekaeshi_fukushuu_no_31/ (bullying, revenge)
https://www.mangago.me/read-manga/fukushuu_kyoushitsu/ (cleaning up trash)
https://www.mangago.me/read-manga/juvenile_offender/ (bullying, revenge)
https://www.mangago.me/read-manga/hectopascal/ (bullying, revenge)
https://www.mangago.me/read-manga/brutal_satsujin_kansatsukan_no_kokuhaku/ (cleaning up trash, gore)
https://www.mangago.me/read-manga/funouhan/ (trash cleaning out itself)
Cirrus is gonna be real salty