In their high school years during the spring season, Yuiji Hasegawa starts to suspect that Yamato Yoshinaga, his quiet and kind classmate, harbors romantic feelings for his straight best friend, Kyousuke Hongou. When they both end up in the same study group, Yuiji catches Yamato holding Kyousuke's hand while he dozes off, and Yamato becomes self-conscious for being caught.
Despite his initial uncertainty towards Yamato's homosexuality, Yuiji keeps the incident a secret and their friendship starts to flourish. Despite having varied love experiences, they make an effort to comprehend each other and their bond strengthens. Nevertheless, the question remains: is it possible for their companionship to evolve into something romantic?
