Shigeo "Mob" Kageyama, an eighth-grader, has tapped into his natural wellspring of psychic prowess at an early age. However, as he sees the inherent danger in his abilities, the strength rapidly becomes a burden. Mob's main current purpose for his gift is to dazzle his longstanding crush, Tsubomi, who quickly becomes tired of the same antics. Mob enlists himself under the wing of Arataka Reigen, a scam artist pretending to be a psychic who exploits Mob's gifts for pocket change, in order to get control of his abilities. Exorcising bad spirits on order has now become a routine part of Mob's day-to-day routine.