Haru Awamichi, a student at an all boys' school, challenges societal norms by dressing as a gyaru despite school regulations. When the gym teacher, Inukai, attempts to intervene, he unexpectedly finds himself entangled in a mysterious and intimate 'game' orchestrated by Haru. Forced to participate against his will, Inukai must navigate this unconventional situation with Haru at the helm.