Childhood friends, super-M high school girl trained into a submissive anal sex pet. Hanagari Mai MVG-130

I grew up with my childhood friend, Mai. She was introverted and not very noticeable in class. I liked Mai and thought she probably liked me too. One day, a delinquent in my class showed me a pornographic video. When I heard a familiar voice, I realized the person in the video was our homeroom teacher, Sudo Kazuma. Incredulous, I decided to go to Ms. Sudo's house with the delinquent to spy on her…