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.
The reason why he created Crayon Shinchan was that he was influenced by his life experiences and those of his family. Yoshiaki Usui's hometown was in Fukuoka Prefecture, Japan. When he was young, he often played with his family and his younger brother, watching television, playing pranks, and doing bad things. These experiences made him very interested in children's behavior and pranks. He decided to combine these experiences with the character setting to create a humorous and warm story.
Another very important significance of Kasumi's creation of Crayon Shinchan was that it became one of the representatives of Japanese manga culture. Crayon Shinchan had a wide readership in Japan, not only among children but also among adults. Crayon Shinchan's unique style and sense of humor, as well as her excellent drawing skills, made her a classic in Japanese comics.
I'm not sure where you can specifically find 'koneko neko neko visual novel'. It might be available on some specialized visual novel platforms. You could try searching for it on platforms like Steam if it's a commercial and approved title there.
First, give your Neko OC a distinct personality. For example, she could be really shy but have a hidden feisty side that only comes out when she's protecting her friends. Second, give her unique physical features. Maybe she has heterochromatic eyes, one blue and one green, which is rare among Nekos. Also, a special ability like super speed or the power to heal others quickly can make her stand out. And don't forget to give her a backstory that ties into the Highschool DxD universe, like she was an experiment by a rogue devil scientist.
I don't have information on who the author of this fanfiction is. There are so many fanfiction writers out there, and without more context, it's hard to determine the author.
I'm not sure specifically as there could be many different interpretations. It might be a fanfiction where the character Harry has an interest in nekos, which are often depicted as cat - like humanoids in some fictional universes.
A neko visual novel is often about stories that involve cat - like characters, usually in a fictional and often Japanese - inspired setting. It might include elements like friendship, adventure, or romance among these neko characters.
The maneki neko originated in Japan. It's believed to bring good luck and prosperity. Different legends explain its origin, but one common story is that it was a beckoning cat that brought good fortune to a shop or home.
There could be her friends. For example, a more health - conscious friend who tries to encourage her to change her slobbish ways. Or a friend who is also a bit of a foodie and sometimes enables her bad eating habits.