"Hey, you're peeking into my room, aren't you?" Becoming a working adult and finally living alone. Soon after starting that new life, I saw a married woman indulging in masturbation in the room across the hall!? I was confused, but I couldn't take my eyes off her... And then, after she had finished, she suddenly said something. I couldn't hide my confusion. On a quiet afternoon when no one was around, there was no way I, who has little experience with women, could take the lead, and I was dominated body and soul as she told me what to do...