I Own the System. My System Has Unlimited

Both of his parents died and were hurt by others. When Ye Tianliang was in danger, the system came and he started to counterattack, or did he start a counterattack? Originally, Ye Tianliang wanted to rely on the urban mission selection system to show off, but due to an incident, he traveled to another world to cultivate immortality, and also used the urban mission selection system to become the most powerful immortal cultivation system in history? Ye Tianliang had no choice but to embark on the journey of cultivating immortality, but encountered a series of unbelievable things on the way to immortality. Did he meet his biological parents who surrendered to one person? What happened? Is it a dream, is this a conspiracy, or is there something else?