The Hidden Dungeon Only I Can Enter Season 2 - Brightlocal News
After noir encounters difficulty with employment, he wishes to become an adventurer and finds a dungeon and the legendary adventurer, olivia servant, who has been trapped inside for centuries. Hidden dungeons that no one knows how to enter. Legendary places full of extremely rare magical beasts, magic tools for power beyond measure and items that would be considered a rarity all over.
The harem elements are predictable.