Any manga where Mc takes revenge on awful people?
http://www.mangago.zone/read-manga/super_outcast/?av=1
http://www.mangago.zone/read-manga/appetite/
http://www.mangago.zone/read-manga/save_me/
http://www.mangago.zone/read-manga/the_hero_who_seeks_revenge_shall_exterminate_with_darkness/
Any manga where Mc takes revenge on awful people?