Kagura Mayo transfers to Fuuka Academy, only to discover that upon being dropped off, she is trapped in indestructible handcuffs. At Fuuka, she encounters Shizuru, Haruka, Yukino, Natsuki, Nao, and numerous other characters from Mai-HiME. She also learns that Fuuka Academy serves as a gathering place for MiKO—girls possessing psychokinetic abilities—of which Mayo is one.