Ao Haru Ride Temporada 1 Episódio 3

Futaba asks about Kous family when she learns that Tanaka-sensei is actually Kous older brother. She also learns the real reason Kou didnt meet her for the summer festival back in middle school. As her 2nd year begins, Futaba vows to start from scratch in her new class... which for some reason includes Kou, despite the fact that hes supposed to be in advanced classes.