DKTM-004 — My Sister-In-Law Is Much Better Than My Little Sister Maya Sawamura

He is happy that his wife is pregnant, but he has been restraining his sex life. However, he cannot suppress his young husband's sexual desire. Meanwhile, he ends up living with his wife's older sister, Maya, and he is unable to suppress his excitement at his sister-in-law's voluptuous body. The sister-in-law also feels sorry for her husband and gives him oral sex, promising that it will only be once.