Psychological counselor Lu Qingmian is drawn into an infinite and terrifying world called the "Corridor of the Abyss." The only goal is to collect seven memory keys and open the door home. With her calmness and wisdom, she struggled to survive in the strange sanatorium and the death graduation ceremony. She met the powerful and unpredictable companion Jiang Wu, and also encountered the prophet who predicted that she belonged here.
However, as the keys were put together piece by piece, the rules of this world frequently got out of control for her. When the end of returning home is approaching, a truth that can subvert everything emerges: the return journey she has been pursuing may be the... Origin she has forgotten.
