One day, she became the target of relentless bullying by her coworkers after making a mistake at work. Once they realized she wouldn't fight back, the middle-aged men escalated their sexual harassment. They forced her into public exposure games, humiliating her in public, and then proceeded to violently assault her anus against her will. Losing her sense of reason, Maomi obediently follows their commands as her anus is repeatedly abused, gradually descending into a helpless sex slave and living toilet... (Yabusame)