I'm not sure exactly what 'hyouken no majutsushi light novel' is about as I haven't read it. But generally, a light novel often involves elements like unique characters, an interesting fictional world, and a plot that could range from adventure to fantasy.
Since I don't have a lot of information on this particular 'gunota ga mahou sekai light novel', it's hard to say precisely. However, light novels in the magic world genre typically have a protagonist who is thrust into a world full of magic. In this case, Gunota might be that protagonist. The story could revolve around his experiences in this new world. It could involve his struggles to adapt, his encounters with magical beings, and his growth as a character. There might be elements of mystery, action, and perhaps even a touch of romance as he navigates through the magic world.
It could be about a world that is treated as a game. Maybe it involves characters who have to navigate this world following certain game - like rules. They might face challenges, quests, and interact with other characters in ways similar to a game.
I'm not entirely sure as I haven't read this novel specifically. But from the title, it might be about an isekai mage who is unable to use magic. Maybe it's about his/her struggles and adventures in the new world without relying on magic powers.
I'm not sure as I haven't read it. But usually in such light novels, there's a protagonist who is likely to be the center of the story. Maybe it's a young person who has some special abilities or knowledge related to the game - world.
Light novels usually have a variety of themes. 'naze boku no sekai wo daremo' might be about a protagonist who feels isolated in their world, as the title could be loosely translated to 'Why is no one in my world?'. It could explore themes of loneliness, the search for connection, and perhaps the character's journey to change their situation.
You can try looking for it in local bookstores that specialize in Japanese light novels. Some large chain bookstores might also carry it if it's popular enough.