Mizuki Ashiya, a Japanese-American high school student living in the United States, makes a life-altering decision to relocate to Japan. Her primary motivation is her deep admiration for Sano Izumi, a rising star in the high school
track and field world. Sano suffered a career-threatening high jump injury after an incident trying to protect Mizuki from thugs, causing him to quit the sport entirely. Consumed by guilt and a fierce desire to help him rediscover his passion, Mizuki disguises herself as a boy and enrolls in Sakurazaka Academy, an ultra-exclusive, all-male boarding school where Sano studies.Navigating the daily perils of an all-boys school proves intensely stressful. Mizuki is assigned to the notorious Dormitory Two, instantly clashing—and eventually bonding—with the charismatic, fiercely loyal dorm leader, Nakatsu Shuichi. Unbeknownst to Mizuki, Nakatsu quickly develops confusing romantic feelings for her, throwing him into a tailspin of existential dread as he questions his sexuality. Meanwhile, Sano remains aloof and brooding, haunted by the demons of his past failure. Despite his cold exterior, Sano’s sharp intuition leads him to discover Mizuki’s true biological identity relatively early on, though he decides to keep her secret to protect her from expulsion and help her achieve her goals.As the academic term progresses, the narrative dives into high-stakes school festivals, intense athletic competitions, and escalating romantic tension. Mizuki’s presence slowly revitalizes the dormant school spirit of Dormitory Two, fostering fierce camaraderie among the eccentric student body. Sano, inspired by Mizuki’s relentless optimism and unwavering devotion, gradually heals his psychological wounds. He returns to the high jump pit, reclaiming his athletic glory. Concurrently, Nakatsu grapples with his feelings, frequently confessing his affections to what he believes is a male peer, leading to hilarious yet emotionally charged misunderstandings.Drama reaches its peak when rival schools and suspicious school faculty threaten to expose Mizuki’s
gender identity. Rumors swirl, leading to moments of profound jeopardy where Mizuki must fight to protect her place at the academy. When a critical medical emergency forces Mizuki to be hospitalized, her secret is finally exposed to the entire student body and administration. Facing inevitable expulsion, Mizuki prepares for a heartbreaking farewell. However, the deep bonds she forged transform the school community. Inspired by her courage, Sano and Nakatsu unite to defend her honor. Ultimately, Mizuki is forced to return to America, but the emotional scars she heals and the profound love triangles left in her wake forever alter the lives of the young men at Sakurazaka Academy.