Doomsday, wasteland, human nature insight system.
Psychologist Xiao Jin rescues Lin Yu, a young man who was abandoned by his family, only to find that he is the "ultimate villain with potential" determined by the system.
Kill? Or raise?
He chose the latter - using psychology to tame a knife that only belongs to him.
Teach him to fight, teach him strategy, teach him to turn hatred into strength. He thought everything was under control, until the day when the boy's loyalty was fulfilled, Lin Yu looked up at him, with something in his eyes that he had never understood.
"Brother, you taught me so much, but you didn't teach me how to stop loving you."
All villains, falling in both directions. Who holds the sharpest knife in the wasteland in the end?
