Wanting to investigate the mystery concerning Ui's disappearance, Iroha heads to Kamihama City to visit Satomi Medical Center, only to discover another Witch's labyrinth. There, she encounters a team of magical girls, Momoko Togame, Kaede Akino, and Rena Minami, who offer to help her search for Ui. Unable to enter the medical center's wing, the girls try to convince Rena to use her transformation magic to sneak in, only for her and Kaede to end up fighting with each other...