Undulant Fever (2014)

Emiko meets Yo in high school while they’re both members of the newspaper club. After Yo kisses her for the first time, they wind up having sex impulsively. From that moment on, whenever they’d see each other, Emiko would demand sex from Yo in spite of them not being involved in a romantic relationship. As time passes, Emiko begins working at a flower shop in Tokyo in order to be near the building where Yo lives while attending university. She continues having sex Yo, but begins to feel deeply hurt and rejected by him.