[Quick Travel] Exile to the World

His name is Zhuang Ling, and he doesn't know who he is or why he exists. He has been wandering in various human realms since he can remember. A voice claiming to be the system told him that all he had to do was collect the hearts of the protagonists in each world until he met the requirements. What that requirement was, the system refused to tell him. He doesn't know what the result will be after reaching it. Conception: