When Momo, a high school student from a family of spirit mediums, meets her classmate Okarun, an occult nerd, they argue: Momo believes in ghosts but not in aliens, and Okarun believes in aliens but not in ghosts. When it turns out that both phenomena are real, a hidden power awakens in Momo and the power of a curse awakens in Okarun. Together, they must take on the paranormal forces that threaten their world.