My Room Connects to All Worlds, and I Landed in Republican-Era China!

In the twenty-first century, Gu Chen was still struggling to make ends meet in the city, working hard through all kinds of weather for a meager income.

Then one day, a white light suddenly shone from his front door!

When he opened it, he found himself in the early nineteenth century!

Just as he thought this would be the start of his road to riches,

he discovered how dangerous that world was!

And so the protagonist became a bridge between two worlds, changing the course of that world and his own life in the process.

Before long, he suddenly realized that the door didn't just lead to one world. It could take him to other worlds as well...