In Sakuragamori High School's social dance club, second-year student Haruma Kiki has always taken on the role of 'leader' as she dreams of dancing as a 'partner,' despite her tall stature. One day, Kiki receives a notice from her childhood friend about the dissolution of their pair and is left searching for a new partner. ...However, finding a new pair is not easy, and she finds herself dancing alone after school, longing for the partner dance she has always admired. Seeing her in this situation, the small and delicate first-year student Toribami Michiru reaches out and says, "Please be my partner."