She Shares the Same Birthday as Weiyu

It was an ordinary dusk, but the sky never lit up again. Eighteen-year-old Mu Zhao opened a door that didn't exist on the way to school - behind the door was an abandoned school shrouded in a bloody sunset. The out-of-tune "School Song" was played repeatedly on the radio, and the classroom was filled with "people", their necks twisted 180 degrees, staring at her with empty eye sockets, and the corners of their mouths slowly split to the base of their ears. "Welcome to **'Eternal Night College'**." A gentle male voice came from the shadows, "Here, the only way to graduate is to become a part of 'it'." She didn't know that she was stepping into the first mysterious realm that came to the world, and its code name was—— "The Ruins of Origin".