太っちょ貴族は迷宮でワルツを踊る (Associated Names)

The story follows Mitrof de Vansankai, the overweight third son of a noble family. Considered useless by his father, who saw no ability in Mitrof beyond his appetite for food, he is banished from the family and forced to leave his home. In search of money to satisfy his appetite, Mitrof becomes an adventurer and…