"Even a tiger doesn't eat its own cubs, is father going to kill me","Ding, congratulations to the host, fifth thousand task complete, awarded with a Rejuvenation Pill." The mechanical voice echoed in Gu Nuan Nuan's mind.,I thought I would die on my own, but for some reason, I was bound to a so-called system. In order to take revenge with my own hands, I agreed to the system's terms and went to five thousand parallel worlds to complete five thousand missions.。