Quick Travel: Save the Collapsing World

The amnesiac Qiu Xiang lives on the street. When he is about to starve to death, he is bound to the quick travel system 001 and becomes the host. She thought she was going to travel alone, but she didn't expect the system to take the form of a human and appear in front of her. Looking at the [virus] that was about to destroy the world, Qiu Xiang raised the dagger in his hand and stabbed it hard. "You! Why do you decide the life and death of a world?" Why did Qiu Xiang lose his memory? Why does he have the origin of the protagonist in his body? After traveling from world to world, can she still remember who she is? (Quickly travel through multiple worlds, not invincible, joyful and funny, partial to group portraits)