Ari No Su Dungeon E Youkoso!

when i woke up, all i had were an unfamiliar room, a crystal, and no memories—just “me.” awakened as a dungeon master, dan starts with a few points and uses them to summon ant monsters to expand his dungeon. alongside the ever-increasing and evolving ants, he repels intruding enemies, occasionally recruits allies, builds an impregnable mega-dungeon, and aims to find new happiness and everyday life within the dungeon!