Eri-sensei is a private tutor who teaches English well. The student masturbates during class to improve premature ejaculation, but the teacher finds out! The student confesses his premature ejaculation and asks to be observed masturbating. The teacher is excited by the erect penis in front of her and proposes her own way of improving it. She makes him ejaculate with a handjob and kiss! They move to the bed and give more sex instruction! The teacher can't hold back and ends up inserting it raw and cumming inside! We bring it to you from a completely hidden camera angle.