Shiranu wa Omae Bakari
知らぬはおまえばかり
Yoshikawa Taiki and Komiya Kazuyuki engage in a weekly sexual relationship that began as a one-time incident during a university gathering. They are not in love or close friends, and Kazuyuki recognizes that Taiki is heterosexual. Feeling there is no future for them, Kazuyuki considers ending their arrangement. Meanwhile, Kataoka Takeru is struggling after being dumped and receiving a confession from his best friend Yui. Takeru is unsure how to handle the change in their dynamic.