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.
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'.
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.
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.
Well, without having read 'boku ga yuusha de maou no boku de light novel', it's hard to say precisely. However, from the title, it seems to imply a story where the main character has a dual nature of a hero and a demon king. This could lead to all sorts of interesting plotlines, like internal struggles between good and evil within the character, or perhaps a story where the hero - demon king has to navigate a world that views these two identities as completely opposed.
It might be about a story where the protagonist has a dual role, being both a hero and somehow related to the demon lord. However, without actually reading it, it's hard to say precisely.
You might be able to find it in some Japanese bookstores if you're in Japan. Also, online platforms that sell Japanese light novels could be a good option.
Well, you could first check with your local comic or anime - related stores. They might be able to order it for you if they don't have it in stock. Another option is to search on second - hand book marketplaces like AbeBooks, as they sometimes have rare or hard - to - find books, including light novels from different countries. However, make sure the copy is in a language you can read and in good condition.
Some people might prefer the anime because it's more accessible and easier to consume in a shorter amount of time. However, others who are die - hard fans of the story and want to explore every nuance might lean towards the light novel. In the end, it really varies from person to person based on what they value more in a story - telling medium.