[DeepL Translation - needs review] Introduction to Volume 1: "I was supposed to be at school..." A high school girl, Yuri, is on the roof of a skyscraper before she knew she was there! In front of her eyes, a masked man was killing people with an axe. Apparently, this is not a dream or illusion, but "reality! Chased by the masked man, Yuri flees the building looking for a way out, but what she sees is a sign that says, "You can't go down to the ground. I'm starting to get pissed off! I won't...
