Introduction: Ash茅 Crow stumbles upon the City of Agartha, The City with a Dungeon filled with monsters, adventuring is a full-time job, and killing monsters earns you money.Born with the peculiar trait of natural curiosity and his wits. He is borderline obsessed with creating a weapon that would help him uncover the dark mysteries of the Dungeon itself.If there's no rules about how to kill the monstrosities that dwell on the bottom pits, then inventing a gun would be a good idea, right?...