Metropolis of music, MIDICITY. A kitty girl wearing gothic lolita clothing named Cyan is scouted by Maple Arisugawa, the president of a music agency. From there, she meets Chuchu (a pun off of the sound that rabbits make) the honor student rabbit girl, a net geek dog girl named Retoree (from "Retriever"), and an alien sheep (?) girl named Moa....