SDAB-221 The third-year, class ● student Seri Saeba is really interested in sex, so she decided to consult a male friend she's known since childhood.

During break time, a girl from the class was talking about having an orgasm with her college boyfriend. The conversation was too stimulating for Mitsuha. 'What is an orgasm?' Excited Mitsuha masturbated in the bathroom during lunch break. She bumped into her childhood friend Takashi in the hallway. Their houses were nearby, and they had been together since kindergarten. Mitsuha mustered her courage and asked, 'Do you have any plans after school today? Can I come over to your place, Takashi?'