Can you recommend some good 'dungeon master light novels'?

Well, 'No Game No Life' also has some aspects that can be related to a dungeon master concept. The main characters are highly intelligent and they often face challenges in a game - like world that has dungeons and strategic battles.

One light novel that might be similar is 'In Another World with My Smartphone'. It also has elements of adventure in a different world with various characters. Another one could be 'Overlord', which has a main character in a unique situation in a game - like world.

One such light novel is 'Overlord'. In this, the protagonist is a powerful being who could be considered a sort of dungeon master in the world he gets transported to. He has control over powerful minions and his base is like a dungeon in a sense.

There's also 'Grimgar of Fantasy and Ash'. In this light novel, the characters often face challenges in dungeon - like areas and have to develop strategies for defense. It's known for its character - driven story and unique take on the fantasy genre.

Sure. 'Overlord' is a great one. It features a powerful undead lord who has to defend his dungeon in a new world. Another is 'No Game No Life', where the characters often engage in strategic battles that involve elements of dungeon - like defense in a virtual game world.

There is also 'Dungeon Seeker: The Cursed Relic'. This light novel focuses on a powerful relic hidden deep within a dungeon. The main character has to overcome not only the dungeon's natural defenses but also the curse associated with the relic. The writing is vivid, painting a detailed picture of the dungeon and its inhabitants.

I'm not aware of any 'Sex and Dungeon' light novels in particular. However, there are many popular light novel series like 'Sword Art Online' or 'Overlord' that you might enjoy if you like the fantasy genre.

One more is 'The Rising of the Shield Hero'. Although the focus is not solely on dungeon building, the main character Naofumi has to develop his base and territory which has some similarities to dungeon building. The story shows how he overcomes challenges in building up his place and making it stronger against enemies.

Well, one interesting plotline could be the protagonist's journey in exploring the dangerous dungeons. He might face various powerful monsters and have to use his wits and skills to survive.

Sure. 'Sword Art Online' has some dungeon - exploration elements. It's quite popular and easy to get into. The story is exciting and the battles in the dungeons are well - described.