My childhood friend Mai-chan was a special person in my life. She was shy and quiet in class, but her warmth and kindness drew me to her. I liked her, and I think she probably cared about me too. One day, a delinquent in class showed me a porn video, and I heard a voice that sounded familiar—it was our homeroom teacher, Sudo, and Mai-chan. Unable to believe it, I teamed up with the delinquent and snuck into the teacher's house to uncover the truth... #chinP