MKON-112 She was a pure girl who hadn't had sex yet, but her weakness was discovered by the tennis club coach and she was used as a convenient masturbator. Sarara Uruki

I have a girlfriend who is also a member of the tennis club. One day, on the way home, I couldn't resist and tried to kiss her, but she said, "I want to do it when the mood is better... My mom and dad won't be home tomorrow night, so maybe then..." However, the tennis club coach, Okazaki, had recorded a video of me forcing her to kiss him. Okazaki threatens her with the video and slowly trains her to be his convenient sex slave...