Obtain a God-Level Traversal System at the Beginning

At the beginning, a traversal system was obtained. The first task released by the system is to allow me to travel back to 10 years ago. I thought I was going back to change my past, but it turned out that I was cheating on a profiteer in the system and I was almost killed. I didn't expect to travel back 100 years for the second time. The third time I want to go back to 1000 years, Brother, please stop playing with me. Back at that time, were you ready to let me die? The big brother of the system doesn't care. Continue the fourth time traveling back to 10,000 years ago, Travel back 100,000 years for the fifth time, Brother System, stop playing. I want to go back to the 21st century. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.