Morooka Wataru navigates a complex web of romantic pursuits and interpersonal tensions during the final summer of his school days. His initial focus centers on forging a connection with Mai, a reserved heiress, but his efforts face disruption from his closest friend Kazuya, whose relentless pursuit of Kurumi—a mutual acquaintance—sparks rivalry and complicates Wataru’s priorities.

Surrounding him, sharp-tongued Misa challenges his every exchange with her confidante Mako, while assertive Satomi commands his compliance through bold directives. These layered relationships oscillate between friction and fragile alliances, driving the narrative’s momentum.

As the story progresses, Wataru’s social orbit solidifies around four girls: Miho, Misa, Kurumi, and Satomi. Their collective dynamic culminates in a delicate harem-like balance, with Wataru maneuvering through flirtations, misunderstandings, and competing affections. A secondary thread follows Sakagami Kuzuya, whose path briefly crosses Wataru’s, though their precise connections stay uncharted.

Wataru’s personal history remains obscured, his identity defined by schoolyard bonds and rivalries. Conflicts arise from Kazuya’s competitive streak and Mai’s self-proclaimed protector, Kenji, who resists Wataru’s advances due to class disparities. His journey hinges on balancing external pressures and the intricate demands of his relationships, anchoring the narrative in shifting loyalties and fleeting adolescent ambitions.