That guy's mother is infuriating, so starting today I'm going to gang rape him every day until I'm satisfied (laughs). Anno Yumi ROE-134

Makoto, an only child raised in a mother-son household, is overly gentle and lacks assertiveness, also exhibiting cowardice. One day, witnessing Makoto being bullied by delinquent classmates, she immediately reports it to the school. While temporarily relieved after they are suspended, the classmates, now filled with hatred, target Makoto again, attacking him as their next victim. Despite repeated apologies, they refuse to forgive, and from that day on, she is subjected to gang rape...