I'm not entirely sure as I haven't read it specifically. But generally, a web novel could be about various things like adventure, fantasy, or the coming - of - age story of the main character.
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.
A sekai visual novel is a form of literature - meets - gaming experience. It is often presented in a visual format with character sprites and scenic backgrounds. These novels can have deep and complex storylines. They may also include elements of character development, relationship building, and plot twists. In a sekai visual novel, you as the player are an active part of the story, and your choices can lead to different endings, which adds to the replayability factor.
Since I haven't read 'boku girl boku no arbeit novel' directly, I can only speculate. However, from the title, it might deal with the concept of identity ('boku girl' could imply something about gender identity or self - perception). Also, 'arbeit' might suggest themes related to work or purpose in life. There could also be themes of personal growth and the challenges one faces in the context of work and self - identity.
The 'kyoukai no nai sekai' full story might revolve around characters who find themselves in a world without the usual limitations. This could lead to unique challenges and opportunities for them. They might have to re - evaluate their values and ways of life. For example, if it's a world without social boundaries, they could face issues related to identity and community. Maybe the story is about how they adapt or try to create new boundaries in this strange world.
Well, 'otome game sekai novel' could potentially be a story set within the universe of otome games. Otome games often have their own unique worlds, with different themes like high school romances, fantasy settings, or historical periods. So this novel might explore those aspects further. Maybe it tells the story of a character's journey through the otome game world, facing various challenges and developing relationships with the other characters.
One popular sekai visual novel is 'Clannad'. It has a very touching story that revolves around the main character's relationships and personal growth. The art style is beautiful and it does a great job of making the characters come to life.