My wife is pregnant, and I'm forbidden from masturbating, so I continue having sex with my mother-in-law, Maki, who's come to Tokyo... Maki Hojo JUL-673

I was living with my pregnant wife when my mother-in-law, Maki, started moving in with us about two weeks ago. Thanks to her, my relationship with my wife improved, but she became even more demanding, insisting that I stop masturbating. A few days later, Maki overheard our argument and said she wanted to use her body to replace my wife's...