Girls learned about the mechanism of pregnancy in health and physical education. At the same time, what is a man's penis? A simple question comes to mind, and their Kokoro takes an unexpected turn... If they can't figure it out with their heads, they have to see it in real life. With such a straightforward idea, the girls held a classmate's raw penis appreciation party, and were drawn to its voluptuous shape and the male pheromones it emitted, and their clitoris became hard and aroused!