When Ayumu Kurihara, a second-year middle school student, switches seats and ends up beside the enigmatic and stunning Misuzu Tsukishima, who harbors a distaste for boys, their dynamic takes an unexpected turn. Despite Mizusu's initial aloofness, Ayumu's genuine and kind nature slowly breaks down her walls, leading to a budding friendship. Entranced by Mizusu's fragile yet intriguing demeanor, Ayumu finds herself drawn to this peculiar connection, fostering a bond that grows stronger with each passing day.