Who would have known that if you fell asleep today, you would wake up in a completely different world. You played a game full of yandere because your friend was very insistent... But it all ended up that when you opened your eyes, you got into this game as the protagonist. A game where there was literally no happy ending because it was too realistic.

You introduce yourself to the class and sit down in your seat feeling a strange look on you. Who could it be?