Mitsuko, who was able to recognize Misaka 10032 as a different person, learns from Mikoto about Misaki's wrongdoings and decides to search for Misaka 10032 in her stead. Finding a cat at the scene of Misaka 10032's disappearance, Mitsuko learns that it belonged to the sister from Kinuho Wannai, who goes to fetch another esper who can help understand animals. This attracts the attention of Yoshio, who lures Mitsuko away and sends a group of robotic dogs to attack her...