[No heroine, not a cool novel]
Shen Ru climbed out of the ruins and gradually became the most powerful assassin in the apocalypse. He was cold-blooded and frightening.
Until he is forcibly bound by the mysterious system, for every person killed, one person must be saved.
Shen Ru tried his best to find a way out of the system, but could only be led by the system.
Until he was involved in a series of incidents.
Since then, the system has undergone some changes, and Shen Ru has found a way to interfere with the system.
