Infinite Parallel Worlds

Across countless parallel worlds, one can take the place of the original protagonist. Every world has its own unique protagonist, and all its rules revolve around him. Everything exists for his sake.

A man who transmigrates by accident can travel endlessly between different parallel worlds, becoming the protagonist of countless worlds and the center around which all their rules revolve.

Now that he's become the protagonist, what will he choose?

This novel and its characters are entirely fictional. Any resemblance to actual people or events is purely coincidental. Please do not imitate.