The pages of their exchange diary record the heartbeat of first love…Hasegawa thought he’d always be a wallflower, but now he’s going out with heartthrob Hiyama. They’ve had their first date and even their first kiss, and it feels like the two are starting to truly close the distance between them, but…is Hiyama’s affection so intense that he made Hasegawa cry?! Not to mention, they are both approaching crossroads in their lives that threaten to drive a wedge into their relationship…What kind of futures do they see for themselves—and will they be able to make room for each other?
