Takashi Natsume has always been aware of the supernatural world, but after he inherits a magical book from his grandmother, the supernatural world is aware of him! Takashi Natsume can see the spirits and demons that hide from the rest of humanity. He has always been set apart from other people because of his gift, drifting from relative to relative, never fitting in. Now he is a troubled high school student who has come to live in the small town where his grandmother grew up. And there he discovers that he has inherited more than just the Sight from the mysterious Reiko. A simple auction takes a turn for the sinister when the entire venue is locked down after several priceless items go missing. To make matters worse, the human guests aren't the only ones stuck in the mansion! Now Natsume, his friends, and his questionable allies will need to solve the mystery of the thefts and uncover the secrets of the Nakatomi manor if they ever want to get out.