Ai da Nante Iwanai kara

He meets an old high school acquaintance, Yachiyo, unexpectedly at his grandmother's funeral. They hadn't seen each other in two years, since after Yachiyo's wedding. A past event from their high school days had caused their friendship to drift apart. He reflects on how he didn't understand the importance of their relationship at the time, and when he realized it, the moment had already passed, leaving behind a painful memory. The encounter reawakens feelings he thought he had moved on from.