Told from the vantage point of a young woman named Miho, the reasoning behind her violent attack on her fellow students is explained.
佐藤綾乃 (Sato Ayano) is a former member of Hello Pro Egg, as well as a past member of the idol group Up Up Girls (Kakko Kari). She was also a part of the Up Up Girls (Kakko Kari) unit UFZS.