The Fat Noble Dances a Waltz in the Labyrinth

Mitrov, a young nobleman who was banished from his home because he was only interested in eating, became an adventurer and explored a labyrinth, but was cornered by a monster and his life came to an abrupt end...or so it seemed. But when an elf girl named Glacier rescued him from a predicament, he formed a party with her and set foot in a new world with his first companions... (Source: Comic Gardo, translated)