Aoi Nishimori's parents moved to another city for work, but Aoi didn't want to transfer to a new high school. She stays behind and lives in an apartment by herself. Shusei Kugayama moves in next to Aoi's apartment. Shusei is a very popular student at their high school. Due to a mistake, Aoi makes the sprinkler go off in his room. Until Shusei's room is fixed, he stays with Aoi.

Azusa (Anna Ishii) and Narumi (Fuka Koshiba) are 2nd grade high school students. They lack confidence and also any kind of ambitions. Hazuki (Karin Ono), Tamaki (Mika Akizuki) and Mika (Miku Uehara) are also unnoticed students at the same high school. These five girls form a dance club and begin to dance to get credits. They soon learn the joys of dancing and also learn to express themselves.