Virgin’s Reverse Position: Disciplined by Neighbor’s Plain Wife

Synopsis

I’m a college student who’s still a virgin, and I finally move out on my own. On moving day, when I go to greet my neighbors, I discover that an defenseless and alluring married woman named Kana lives next door. From that night on, I make it a daily habit to masturbate while listening to Kana’s moans through the thin walls. A few days later, the conversation turns to fitness training. When I mention it’s my hobby, Kana also expresses interest in building her body, and I end up agreeing to coach her…