My Supermarket Is Connected to All Worlds

A Large Iron Prison Holds the World's Most Powerful Criminals

An Iron Prison Holds the Strongest Combatants. the Young Man Is Guarded by One Person, but No One Dares to Escape.

Fantasy Novels

I want to read a book similar to "The Wind and Rain in the Immortal Mansion of Tiny Dust". There is no revenge or bloody plot.