Zhang Tian was originally a nine-to-five office worker but was hit and killed by a car while at work.
After Zhang Tian died, he traveled through time and became Zhang Chulan's brother.
Like many time-travelers, he has obtained a system, but his system is a time-travel system.
Zhang Tian traveled to the "Zombie Supreme" world for the first time and became Uncle Jiu's ancestor.
The second time traveling to...
The third time………
