Ye hope is actually a modern earthling, but in an unexpected encounter, he was sucked into a "black hole" and then came to the "alien" spacecraft. Only then did they discover that there is no earth and universe in the world as humans call it. Everything is just a virtual world created by aliens, and Ye hope is actually the controller of another world in a virtual parallel space. He lost his memory due to improper operation...
Concept: The future of science fiction