A young woman named Manabe Eri has just started her career as a teacher at an elite girls' high school, but her idealism collides harshly with reality. Her students mock her, calling her a virgin and dismissing her authority, leaving her humiliated and discouraged day after day. Everything changes when she picks up a small stone that radiates a gentle, warm light. The stone grants her the power to transform into a superpowered heroine called Miss Maverick, a curvy, confident figure in a tight costume who can physically punish wrongdoers. Eri takes on the role of a vigilante educator, using her new abilities to protect the town and discipline anyone she deems a bad kid, all while navigating her double life as an unassuming, bespectacled teacher. The story is a self-contained comedy-action tale that blends slapstick superheroics with fan-service humor, centering on Eri's struggle to earn respect in the classroom and her secret identity as a masked enforcer.