HMN-150 My father's mistress is my big-breasted private tutor. My mother grins and shows me how she's cheating on me with creampie sex without telling my mother, and I get fully erect. - Mina Kitano

My tutor, Mina-sensei, is my father's mistress. - In between teaching her studies, she secretly goes to see her father and has sex with him. - When I was peeking at the two of them...I made eye contact with the teacher! - Surprisingly... she grins and shows off her raw sex while feeling good! - I can't stop getting an erection from Mina-sensei! - While I was nervous as I was taking the class, he seduced me and gave me a dirty hand job and blowjob! - I promised that I would pretend not to know about my relationship with my father...