My wife's mother

Luna's mother is blessed with good relationships and ends up living with her daughter Emi (Izumi Kaede), who has married. He also had a good relationship with his kind-hearted son-in-law Satoshi, and he spent a happy life. However, the loneliness of being single eventually transformed into a crush on Satoshi... Even though she knew she was her daughter's husband, she couldn't contain the ache in her body, which had begun to become aware of men, and by masturbating, she suppressed the sexual desire that erupted from within. However, while I was feeling frustrated, Satoshi asked me about not having sex with Emi...