"The heartbeat is the countdown."
Overnight, Shen Yanci's peaceful high school life was completely torn apart.
The arrival of an unknown existence called "Heart Abyss" threw him and his classmates into "fragmented worlds" that were bizarre and full of dangers.
The desk maze in the Evernight Study Room, the puppets in the Silent Ancient Town, the AI escaping in the data abyss... The only rule of survival is to crack the rules and seize the "lost codes" hidden in the world.
In order to find the only clue left by her missing sister, Shen Yanci must survive. Accompanying him are Lin Shuyao, an art student with keen intuition, Zhou Boyuan, a sports school student with a strong sense of responsibility, Jiang Tinglan, a mysterious and lonely girl, and Jizhe, a technology geek.
Codes are intertwined and abilities are awakened. In this abyss corridor of endless reincarnation, are they explorers seeking the truth, or are they pawns played by higher beings?
The moment the truth is revealed
Do they still have the courage?
A glimpse of the reality beyond the abyss of the heart?
