Keiji Mogami explains that he was a psychic like Mob. When he was alive, his mother had fallen ill. Keiji undertook extreme jobs (ex: not sleeping enough to kill people) to pay for his mom's treatment. His mom died of unknown reasons, but she blamed Keiji for her death. Keiji then committed suicide and became an evil spirit. Keiji, disguised as Minori, also transfers into his class and she leads her classmates in constantly bullying Mob...