One similar light novel could be 'DanMachi'. It also has a dungeon - exploration theme with interesting characters and an engaging story. The main character goes on adventures in a dungeon - filled world, much like in 'boku no heya ga dungeon light novel'.
Well, 'Sword Art Online' has some similarities too. Although it's more about being trapped in a virtual game world, the idea of the main character having to navigate through a world full of danger and discovery is alike. In 'boku no heya ga dungeon light novel', the protagonist also has to deal with the dungeon - related situations, just like the characters in 'Sword Art Online' have to deal with the game world.
The unique setting of the dungeon being related to the protagonist's room makes it stand out. It's not a typical dungeon in a far - off land but something more personal and close - to - home.
I'm not sure if there are a lot of light novels specifically with 'boku no heya' in the title. However, if we consider related concepts, there might be some that are about a personal space which could be symbolized by 'boku no heya'. For instance, a light novel where the character's room is a place of self - discovery. The protagonist spends time in his room thinking, growing, and facing his inner demons. This could be a really deep and character - driven light novel.
One possible light novel could be 'Boku no Heya ga Dungeon no Kagi wo Motsu' which combines the concept of a room ('heya') with a dungeon - like adventure. It might be about a protagonist whose room holds some sort of key to a mysterious dungeon.
One similar light novel could be 'Sword Art Online'. It also has a complex and immersive world like 'hitokui dungeon light novel'. Another one is 'Log Horizon' which features dungeon - like settings and strategic gameplay elements.
Well, 'A Silent Voice' is somewhat similar. It focuses on themes of redemption and relationships, just like 'boku no kanojo sensei light novel' may touch on various relationship themes. Then there's 'Kimi ni Todoke'. It has a gentle exploration of relationships between characters, which could be comparable. Also, 'My Little Monster' has interesting character interactions that might remind you of the relationship aspects in 'boku no kanojo sensei light novel'.
One similar light novel could be 'Overlord'. It also has a lot to do with dungeons and the unique world - building within them. Another is 'Log Horizon' which delves into the concept of being trapped in a game - like world often associated with dungeons and exploration. And 'Sword Art Online' has some elements that are comparable, especially in terms of the virtual world and the challenges within it.
Yes, there is 'No Game No Life'. It features a pair of siblings in a world ruled by games. The world - building and the strategic battles are somewhat similar to 'Dungeon Predator'. Also, 'The Rising of the Shield Hero' is a good one. The main character has to fight his way through a world full of prejudice and monsters, which is not too different from the situation in 'Dungeon Predator'.
I'm not very familiar with 'hisshou dungeon unei houhou light novel' specifically. But some popular light novel series that might be similar in terms of the dungeon - exploration genre are 'Sword Art Online'. It has a virtual world with dungeons and battles. Another one could be 'Log Horizon' which also involves characters exploring and dealing with the mechanics of a game - like world.
Another one is 'Re:Zero kara Hajimeru Isekai Seikatsu'. It has elements of character development and complex relationships like 'boku no tomodachi light novel'. The main character's journey through different situations and how it affects his relationships is a common point.
Well, the 'Boku wa Tomodachi ga Sukunai' light novels are known for their vivid character descriptions. The plot usually revolves around the group of misfit characters coming together. It's a great read if you like stories that deal with themes of friendship and self - discovery.