Meikyuu Ryourinin Nagi no Bouken

is a Japanese light novel series written by Rin Yuuki, with illustrations by TAKTO. The series began publication on January 10, 2017 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
"Can you do it! Every day like this ...!"

Nagi, the son of a chef who wants to be an adventurer but has no talent for swords or magic. Despaired by the help of his parents' cafeteria and the days of chores, he silently tries to travel with his parents.

But the moment you take a step!

Suddenly I slipped into a huge hole at my feet! I woke up to the mysterious underground labyrinth. Nagi was involved in an unprecedented situation in which the entire city collapsed into a dungeon.

Nagi aims to escape from the labyrinth with his father's youthful heritage, Enhi, the spirit of fire who lived in a mobile cooker (stall), and Rive, a battle priest girl who also survived the collapse ...!

What is the cause of the collapse of the labyrinth? And how will Nagi's cooking skills be demonstrated in this huge dungeon ...!