[Hidden Camera] "Ah~? Teacher... are you erect?" A lewd brat using his newly learned sex knowledge to play with adults, his tutor's huge penis causing erections by exposing his underwear and breasts. TPIN-077

A female student with a sexual curiosity about older men, along with a tutor, is subjected to lewd individual instruction. Even knowing he "shouldn't sexually watch well-developed students," the tutor still gets an erection; his penis just won't get better. The student, unable to resist the tutor's allure, is completely dominated by the younger man, and the entire sex scene between the tutor and student is secretly filmed. "I'll study hard… Teacher, let's do some lewd things, shall we?"