ZOZO-220 1st period of health and physical education at a coeducational school where men and women practice high-quality classes where men and women learn the differences in their bodies while naked.Secondary sexual characteristics/physical differences between men and women.

Real learning cannot be gained from textbooks!? The latest in health and physical education of the Reiwa era, using the beautiful girls of your classmates as teaching materials. The theme of the first period was Development of men and women in terms of secondary sexual characteristics. Ran Himeno was dragged out in front of everyone in a classroom where the school doctor and some of the country's best people were gathered. If you don't get naked, everyone in the class will get a negative point. Her legs were forcibly opened as she cried and stripped.