DanMachi: Is It Wrong to Try to Pick Up Girls in a Dungeon?: (Welf Crozzo) Blacksmith

SINOPSIS

Bell defeats the minotaur and becomes the fastest adventurer to level up in history. After his success, Bell is given the nickname "Little Rookie." As he sets his sights on the middle floors of the dungeon, Ryuu tells him that if he wants to succeed, he's going to need a bigger party.