This private coeducational school is famous for offering high-quality practical classes. Students, regardless of gender, learn health and physical education using each other's bodies as practical teaching materials. They learn about the differences between male and female bodies, such as the penis, breasts, and female genitalia. The mechanism of ejaculation. How pregnancy works. Using real dicks and pussies, teachers and students even perform sexual intercourse in front of everyone. Their bodies, which they have never shown to their mothers or fathers, are closely observed, fingers are inserted into their vaginas, and the mucous membranes are spread. The female genitals, with even the urethra exposed, become cold as the wind blows on them.