Ikeda is an honor student who has been studying diligently, aspiring to become a doctor. However, recently he has been thinking about Kotomi and has been unable to concentrate on his studies, so he secretly takes photos of Kotomi in class and indulges in masturbation in the gym storage room during breaks. Just then, Ikeda senses someone's presence and hides in a panic. Unaware of Ikeda, it is Kotomi who begins to make a secret phone call. By chance, Ikeda eavesdrops on a phone call between Kotomi and her boyfriend...