Mujikaku na Osananajimi to Kyoumi Honi de Yatte Mitara 3

Hiroki, who had sex with his childhood friend Meiko out of curiosity, escalated their relationship from purely physical to purely physical.

His unconsciously growing possessiveness hurt Meiko, causing them to drift apart. Then, he witnessed her walking home with a male classmate…

Blaming himself and half-resigned to his fate, Hiroki, unable to bear it any longer, decides to follow Meiko to the summer festival.