Quick Transmigration: It's Hard Not to Go Off the Rails

Bai Zhi Xing inexplicably wakes up in a strange world, with an unreliable System by his side. He begins traveling through all kinds of bizarre worlds and taking on different identities, hoping to return to reality.

After he has experienced ten different worlds, the fog that once obscured his path gradually lifts, revealing the truth hidden behind it. What should he do now...

P.S. This is really just the story of an unflappable guy who has to develop multiple personalities after going through all sorts of bizarre worlds. As for the pairing, curious? I'm not telling you.