Worried about my pregnant wife, Rinka, came to Tokyo from the countryside. I thought that my relationship with my mother-in-law would improve with her support, but when we started talking about masturbation, my wife's anger escalated. She couldn't stand the fact that I was the only one suffering, and even banned me from masturbating. A few days later, while I was feeling frustrated, I happened to witness Rinka's naked body after a bath in the dressing room. Worried about my unusual behavior, Rinka listened to my story in detail...