Well, from the title 'kono naka ni hitori imouto ga iru light novel', it could potentially be a story centered around a male protagonist who has a sister. Maybe it's about their daily lives together, the challenges they face, or some kind of mystery or adventure that they get involved in because of their relationship. Light novels usually have elements of slice - of - life, fantasy, or drama, so this one could be a mix of those.
I'm not entirely sure as I haven't played this visual novel specifically. But generally, a visual novel with a title like this might be about a story where there is a sister figure in a particular situation within the narrative world of the game.
You can try looking for it on popular visual novel platforms. Some well - known ones include Steam, which has a wide range of visual novels available. You might also check out specialized visual novel stores or websites that focus on Japanese - style games.
Literally, 'kono' means 'this', 'oneesan' can be translated as 'elder sister' or 'big sister', and 'wa' is a particle indicating the topic. 'Fiction' means something that is made - up or not real. So it could roughly mean 'This sister is fictional'.
In many anime series, there are characters that can be examples. For instance, in 'Sword Art Online', Asuna could be seen as an 'oneesan' - like figure in some aspects for certain characters, and she is a fictional character. So she can be an example where 'kono oneesan wa fiction' applies.
Well, 'kono aozora ni yakusoku wo visual novel' could potentially tell a story where the blue sky serves as a backdrop for the plot. Maybe the promise made in the title is between the main characters. It could be a story of growth, where the characters are bound by this promise and their experiences under the blue sky shape their development.
Well, it often has unique and engaging storylines. The characters are usually well - developed, with their own quirks and growth arcs throughout the narrative.