My Backpack Can Hold an Entire City

Fantasy, high martial arts, demonic beasts, reality.

A young man unwilling to settle for an ordinary life stakes everything on an opportunity. From then on, he can travel between two worlds, and he obtains a spatial backpack. Items from either world cannot be taken back directly; only things inside the spatial backpack can be brought along. But his backpack...

The young man roars, "I refuse to rot away in the crowd!"

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