The main character is a journalist for an occult magazine. Inspired by his grandfather, he has come to the town of Aogami to investigate the strange happenings there. One moment, he's in his hotel room, but the next, he finds himself entangled in a terrifying paranormal phenomenon. Will he make it out of Aogami alive? And what is the truth behind Misora Shino, the schoolgirl who keeps appearing throughout the investigation?