I helped my husband deal with his child. —To protect family ties… I was repeatedly violated and gang-raped by my submissive stepmother— ROE-202 (Motomiya Miyabi)

Motomiya Masayuki harbors a deep resentment towards her husband's mother, Mihoko, yet her husband is obsessed with her. To alleviate the pressure, she stays at Mihoko's house. However, Mihoko is a very lecherous woman who treats Motomiya Masayuki as her husband's stepson, causing her considerable distress.