The Troublemaker of Two Realms: I Have a Door That Travels Between Two Realms

The end of the world is coming, and monsters are rampant. Lin Chuan, an ordinary office worker, accidentally got a mysterious door that connects the modern city to the doomsday wasteland. On one side is a peaceful world rich in materials, and on the other side is a dangerous death zone. He decided... To fill up his safe house first