Mai is a newcomer to the town, excited to begin her school life. However, she quickly discovers things aren't quite what they seem. The curriculum includes unconventional classes like body fitness and undressing, as well as extreme combat training. These girls are training to become the most powerful women on the planet. Despite the unique atmosphere, Mai befriends four girls with their individual quirks. Their antics and the absurd lessons may send Mai over the edge. One-shot: Justice of the Masked Scarf! Volume 3.