A boys' school where health and physical education classes are held, with female teachers as test subjects... A newly appointed female teacher, with a burning sense of mission, was assigned to the school without knowing what was going on. Persuaded by a senior teacher that it would be "to improve the quality of the classes," she is bewildered, but her clothes and underwear are stripped off, and her fresh 20-something body is completely naked. Her pink nipples are exposed. Thin pubic hair. Using her dazzling female body, she gives sex education to male students with obvious sexual desires... She is even peered at the depths of her vagina, and her love juices begin to flow...