It's likely a visual novel related to cats ('neko' means cat in Japanese) and perhaps love ('koi' can mean love). Maybe it tells a story of a character's relationship with cats or some kind of love story involving cat - like elements.
Without having detailed knowledge of 'neko koi visual novel', we can only speculate. It may have a protagonist who discovers a world of cats and through that, meets other characters. Maybe there's a mysterious cat - like being that becomes a central figure in the story, along with human characters who have different attitudes towards the cats and the relationships that develop. It could also have characters that represent different aspects of the 'koi' theme, such as a character who is shy about expressing love for the cats or a character who is very open and enthusiastic about it.
I'm not entirely sure specifically what 'koneko neko neko visual novel' is about as it could be quite a niche or not widely known one. It might be a visual novel centered around cat - like characters (since 'neko' means cat in Japanese). Maybe it has a story about the adventures of these cat - themed characters in a fictional world.
Mangadex might have uncensored manga. But it's important to note that the presence of uncensored content can change over time and is subject to various factors such as publisher restrictions and site regulations.
It varies. Sometimes you can find uncensored manga on Mangadex, but it's not a guarantee for all series. It really depends on the uploaders and the availability of uncensored versions.
Downloading manga from Mangadex is not a legal or ethical thing to do. You should support the creators by purchasing or accessing manga through legal means.
One popular mangadex light novel is 'The Rising of the Shield Hero'. It follows the story of Naofumi, who is summoned to a parallel world as one of the four cardinal heroes but is wrongly accused and has to fight against all odds. 'Konosuba' is also well - liked. It's a comical take on the isekai genre, with a group of misfits on an adventure in a fantasy world filled with all kinds of absurd situations.