"Why, Father, haven't you even spared your own sister-in-law!",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.,Five thousand tasks, no one knows how to persevere. The hardships and tears inside are only known to oneself, but being able to obtain the Rejuvenation Pill is enough.。