Having a hard time adjusting to his first year of middle school, Yuuto Tsuchiya feels as though his life has come to an end. However, his outlook changes when he learns that Miyamoto Kohaku, a well-known ballerina, has moved in next door all by herself after being compelled to quit due to an injury. Intrigued by his new neighbor's less-than-ideal circumstances, Yuuto becomes eager to meet her.