A highly anticipated cultural festival is less than a week away for the students of a local high school when mysterious, seemingly paranormal events start occurring within their building. A piano plays when no one is in the room; the power continually shuts off, seemingly at random; footprints are left behind by an unseen presence; objects appear to levitate and are hurled across the room. Concerned about the strange phenomena, six students, advised by Professor Yamakawa, form a research team an...