MVG-130 The D/M high school girl who has been familiar since childhood was trained to be an obedient anal processing pet Mai Hanakari

I've had a childhood friend named Mai since I was little. She's shy and doesn't stand out much in class. I liked Mai, and she probably liked me too... that's what I thought. One day, a delinquent in our class showed me a porn video. I thought I recognized the voice, and sure enough, it was our homeroom teacher, Sudou, and Mai on the screen. Unable to believe it, I decided to go spy on the teacher's house with the delinquent...＃ちんP