Sorata Kanda is an ordinary high school student living in Sakurasou, the notorious dormitory for problem students at Suiko High. While he desperately wants to escape the chaotic environment populated by eccentric artists and programmers, his life changes forever when Mashiro Shiina arrives. Mashiro is a world-class artistic prodigy who can paint breathtaking manga, yet she is utterly incapable of basic human survival, lacking even the rudimentary skills to dress herself or manage her hygiene. Assigned by the faculty to look after her, Sorata becomes her sole caretaker, sparking a journey filled with frustration, responsibility, and unexpected affection.As Sorata spends time with Mashiro and the other eccentric residents—including the brilliant scriptwriter Misaki, her apathetic genius crush Jin, and the deadpan programmer Ryunosuke—his own ambitions are challenged. Surrounded by undeniable talent, Sorata realizes he lacks a true calling. Motivated by Mashiro's intense dedication to her craft, he decides to pursue his dream of becoming a video
game developer. This ambition sets off a dramatic wave of
emotional growth, forcing him to submit his games to grueling competitions while grappling with the agonizing realization that his natural talent pales in comparison to the generational genius of people like Mashiro.The core conflict of the series pivots on the brutal intersection of passion, inadequacy, and romance. Sorata struggles immensely with feelings of inferiority; he deeply resents that Mashiro relies on him, yet he simultaneously fears that she doesn't need him at all. Their relationship hits a poignant peak when Sorata finally wins a game development contest, only to watch Mashiro push herself to dangerous physical and emotional limits to finish her manga deadlines. The heavy emotional burden causes friction within Sakurasou, compounded by Jin's departure to Tokyo to hone his playwriting skills, leaving Misaki heartbroken and testing the bonds of the entire household.In the final dramatic arc, the school board attempts to demolish Sakurasou, viewing the unorthodox dormitory as a disruptive influence. United by their fierce love for their home, the residents stage a massive, emotional rebellion during the graduation ceremony, successfully defending the dorm. Ultimately, the series reaches a bittersweet resolution as the older students graduate and move forward into the professional world. Sorata and Mashiro acknowledge their mutual romantic feelings, yet they commit to walking side-by-side as equals, striving to conquer their personal insecurities and achieve their dreams.