JAV 365

A private co-ed school renowned for its high quality practical classes. Students learn health and physical education using each other's bodies as practice materials, without gender boundaries. The differences between male and female bodies, including the penis, breasts, and female genitalia. The mechanism of ejaculation. The mechanism of pregnancy. Teachers and students perform sexual intercourse in front of everyone using their own penises and vaginas. The body, which has never been shown even to mothers and fathers, is carefully observed, fingers are inserted into the vagina, and the mucous membranes are spread. The vagina, even the urethra, becomes cold as the wind whistles through it.