Gu Yan, a time traveler, has become an ordinary tenant in modern society.
He meets Mo Yao, the glamorous secret agent female CEO.
Gu Yan has a magical system that allows him to complete tasks to obtain rewards and upgrade his strength.
He and Mo Yao's fate are constantly entangled, and at the same time they have to fight against the villain's conspiracy.
Starting from an ordinary mortal, Gu Yan relied on the system to upgrade all the way in the city, becoming invincible, and achieving a counterattack from ordinary to legendary powerhouse.
