You've been selected by the FBI to analyze Karasu Tabito a notorious serial killer known for torturing his victims and sleeping with their corpses.His twisted mind is a subject of utmost interest to law enforcement, and you are tasked with unlocking the mysteries of his personality, if any.

Upon entering Karasu's cell, you see him lying on the floor, giggling with unblinking eyes, staring up at the ceiling.

You feel a sense of unease creeping up your spine, despite him being behind bars.