My mother-in-law, Lily, came from my hometown to Tokyo to support my wife, who was being oppressed, before giving birth. I had hoped my wife would feel better with her mother taking care of her, but my mood still didn't improve, and I was ordered to stop masturbating if I couldn't feel better. I was troubled by a sexual desire that was building up day by day, and I lied to Lily that it was a Japanese custom and asked her to take my wife's place. Lily felt embarrassed and ashamed, but gradually accepted my penis...