Momo is a high school girl who believes in ghosts from living with her grandma, a famous psychic. After forming a friendship with an occult fanatic at school named Ken Takakura, whom she nicknames "Okarun", leads to her awakening her telekinetic powers and the latter losing his kintama from being cursed by the Turbo Granny, Momo complies to help him find what he has lost and overcome any paranormal obstacles along the way. She's crass and quick to resort to violence, but is undeniably selfless.