Yokohama Disturbance Part III.The Magic Thesis Competition team meets continued success in developing their project, though Erika, Mikihiko, and Leo apprehend a fleeing student, Chiaki Hirakawa, who is revealed to be working as a spy against the First High team. Chiaki admits to working against Tatsuya personally, passionately believing that he is responsible for Kobayakawa's accident during the Mirage Bat event of the Nine Schools Competition...