My Son Was in Danger at the Beginning, but the System Finally Recovered.

Ye Xu traveled through time, but also became older, but the system has been sleeping. Fortunately, he had an older son who cultivated immortality and occasionally brought back some longevity-prolonging things, which allowed him to live a long life. It wasn't until the centenary birthday was approaching that the system finally recovered, and I received some compensation at the beginning, but I never thought that the eldest son would suddenly be carried back and was on the verge of death...