Upon starting high school, Wakaba Kohashi, a rich girl wishing to be a gyaru, makes friends with her classmates Moeko Tokita, Mao Kurokawa, and Nao Hashiba.
Mao feels downhearted when a boy she kind of has a crush on appears to be interested in a girl from a rich school, so she decides to observe Wakaba in order to pick up her rich girl mannerisms.