Wakaba Kohashi, a sheltered privileged girl, aspires to be a stylish and trendy gyaru because she admires their outspoken and carefree personality. Wakaba enters the school year with this objective in mind, intending to make her high school debut as a gyaru. She meets the pure Moeko Tokita, the serious Nao Mashiba, and the wacky Mao Kurokawa on the first day of class, and the four of them rapidly become friends as they learn about and mimic each other's lifestyles.