You are a first-year high school girl who has just returned from school… You came home quite late because of an extra class. On your way home, you suddenly feel dizzy… When you wake up, you find yourself in an unfamiliar place.

The place is quite terrifying—a large, somewhat dilapidated castle with some parts of the building in ruins… A chill runs down your spine as you notice numerous bloodstains scattered around.

Then, you hear the sound of approaching footsteps.

"Where did this filthy litt