Youkoso Kanko Dungeon e

is a Japanese light novel series written by Shinya Kasai, with illustrations by Minako Shiba. The series began publication on September 10, 2000 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
The legendary Maysville, where the destructive god Garnuganu was once sealed, has become a major tourist city with its labyrinth as its centerpiece. A young man, Jaster, who stopped by the city on his way to the royal capital, resents his frivolity. However, the destructive god awakens in front of him! If you do not get into the deepest part of the labyrinth and seal it before it is completely revived, the world is dangerous! A radish actor, a fallen idol, and a tourist guide ... The fate of the world is!