One similar light novel could be 'Re:Zero - Starting Life in Another World'. It also has a unique world - building and complex characters like 'She's not a goddess or satan light novel'.
I'm not sure exactly as I haven't read it in detail. But it might be about a character who is neither like a goddess in terms of being perfect and all - powerful nor like Satan in being purely evil. Maybe it's a story of an ordinary or complex character in a unique fictional world.
I don't have enough information to say who the main characters are. Since I haven't read it, it could be the girl mentioned in the title or other characters that are related to her in the story.
The title itself is quite intriguing. It immediately sets the story apart from the typical light novels that focus on pure good (goddess) or pure evil (satan).
Well, 'Sword Art Online' is a great light novel. It has an interesting virtual reality concept and engaging characters. Another one could be 'Re:Zero − Starting Life in Another World', which is famous for its complex plot and character development. Also, 'Overlord' is quite popular, with its unique take on the isekai genre where the main character is an all - powerful being in a new world.
Another option is 'Ascendance of a Bookworm'. Although it doesn't have the exact 'bodyguard - goddess' dynamic, it features a female protagonist in a unique world with her own set of challenges and allies, similar to the world - building and character - centric nature of 'bodyguard of the goddess light novel'.
One could be 'Sword Art Online' light novels. It has an interesting virtual - world concept and engaging characters. Another similar one might be 'Log Horizon'. It also deals with characters trapped in a game - like world and has great world - building. And 'Overlord' light novels are also a good choice. It focuses on an overpowered character in a game - turned - real - world scenario.
Well, another option is to look at the best - selling light novels in the genre. Sometimes, a light novel with a unique or interesting concept like 'Bathroom Goddess' might gain popularity. Check out the top - ranked light novels on major e - book retailers. If there is a 'Bathroom Goddess' light novel among them, it's likely to be of good quality.
Since I don't know the exact '8 six light novel', I can give you some general light novel suggestions. 'Re:Zero − Starting Life in Another World' is a great one. It has a unique time - loop concept which makes the story full of twists and turns. Another one is 'My Youth Romantic Comedy Is Wrong, As I Expected'. It delves deep into the complex relationships and personal growth of the characters.
There are several light novels that might be similar. 'Log Horizon' is one. It focuses on players trapped in a virtual world and how they build a society there. The world - building and character relationships are really interesting. Then there's 'That Time I Got Reincarnated as a Slime'. The main character, who is reincarnated as a slime, gradually builds his own kingdom in a fantasy world. 'Grimgar of Fantasy and Ash' also has a good story, showing the growth of a group of characters in a harsh fantasy environment.
One could be 'Spice and Wolf'. It also involves a merchant - the traveling merchant Kraft Lawrence. The story is filled with economic concepts, trading adventures, and an interesting relationship between the main characters, much like what might be expected in 'a good merchant light novel'.