After being dumped by his girlfriend and enduring a series of misfortunes, Chikayuki Murata thinks his day can’t get any worse—until he “saves” a young man on a bridge. The twist? Rei Aihara was just stargazing. To make up for the misunderstanding, Chikayuki takes Rei out for an unforgettable day filled with batting, bowling, and arcade games. When they part ways, Chikayuki casually invites Rei to visit his café, never expecting him to return so soon—or that Rei is actually an idol who sings his favorite song. But the real surprise comes when Rei decides to move in with him!