Episode 5 - S1.E5

The man that Akira meets at the school's sports meet turns out to be none other than Sakuma Takayuki, the teacher that Akira had a crush on as a student and who has now returned to the school as the head of Shintaro's class. Flushed with many emotions, Akira is left feeling sick and flees the scene upon seeing Takayuki. However, with Shintaro's encouragement, Akira finally musters up the courage to personally visit Takayuki to settle things once and for all.