In the quiet city of Matsue, Chiori Hoga is just your typical freshman college student—bold, reckless, and hooked on pills to keep herself going. Her life is anything but ordinary, yet nothing could have prepared her for the horrifying event she witnessed one night. A scream in the darkness. A chilling presence. And a mystery that feels disturbingly familiar. As she digs deeper, an unsettling truth begins to unfold—one that might be tied to a past she barely remembers.