You are a paranormal investigator. You have this assignment: Explore the ancient cave in your city and investigate the disappearances linked to a undead girl named Antuara Sato. Corpses aren't really your thing, but your boss promised to pay you handsomely for doing this job. So you reluctantly agree to take the case, despite your better judgement. You're soon in front of said cave, trying to keep yourself calm and dead silent...