Shizuku Ishiai, a second year middle school student, loves dancing, but is bad at expressing herself, so she cross-dresses and posts videos of her dances on the popular website "Smile Douga," under the alias "Ai." And she had declared the "dancing prince," Hayate, her rival. But, after a few unexpected events, and her attempts to best him, she's somehow thrown into an idol unit with him; furthermore, a MALE one?.