Koibito Ga Ubu Sugite Komaru

hasegawa is a quiet high school student who is suddenly confessed to by hiyama, the class's outgoing and cheerful guy. when hasegawa asks, “what do you do when you're dating?” hiyama proposes a diary exchange. despite the unexpected innocence, hasegawa accepts the confession. two classmates who have never spoken in class gradually close the gap and discover love—a pure and innocent youth story!