[Apocalypse] + [System] + [harem]
Li Xuan died in a garbage heap in the fifth year of the Apocalypse.
When he opened his eyes again, the Red Sun would arrive in one hour.
This time, he took down the world's first zombie.
System reward: a spatial ring and a pointer to a hidden-class secret realm.
By the time he got his hands on an SSS-rank contract scroll, everyone else was still trembling with fear, while he had already fought his way through the entire dormitory building.
“In this life, I won't be human.”
“I'll be a master of contracts.”
The story is rigorous and logical. The protagonist is not the Virgin