Wakaba Kohashi, a privileged girl raised in comfort, longs to become a stylish gyaru because she loves their bold and carefree spirit. Her dream is fueled by the vibrant fashion she sees in gyaru, contrasting sharply with her sheltered upbringing. Determined, she starts the new school year eager to debut as a gyaru in high school, planning to adopt their signature makeup and bold accessories. On day one she meets the innocent Moeko Tokita, the disciplined Nao Mashiba, and the quirky Mao Kurokawa; together they quickly bond as they exchange and mimic each other's habits. Moeko's innocence brings a fresh perspective, Nao's seriousness offers structure, and Mao's eccentricity injects humor.
Wakaba*Girl through festivals, park trips, gym tests. They experience a fashion show, slides at the park, and gym exams that test teamwork. While Wakaba learns student life, Nao, Moeka, and Mao glimpse the perks of a rich lifestyle. They make exciting.