I'm not entirely sure specifically what 'hatsukoi visual novel' is about as there could be many with that name. Generally, a visual novel often involves a story with characters, dialogue, and choices. It might be about a first love ('hatsukoi' in Japanese) story, perhaps with different plotlines depending on the player's decisions in the game.
Sekaiichi Hatsukoi is a light novel that mainly focuses on the relationships in the world of boys - love manga publishing. It tells the love stories and the development of relationships among the characters involved in this unique industry.
I'm not sure about the unique features of 'hatsukoi visual novel' without more information. But some visual novels have unique art styles that set them apart. It could be that this one has a distinct way of portraying the characters or the setting related to the first - love theme.
I'm not sure specifically as I haven't read it in detail. But generally, Sekaiichi Hatsukoi is often about romantic relationships, so this new novel might also focus on love stories, perhaps with new characters or new twists on the concept of first love.
There are some dedicated anime and manga fanfiction communities where you can look for Sekaiichi Hatsukoi fanfiction. Reddit, for example, has sub -reddits related to anime and manga fanfiction. You can post a request there asking for good Sekaiichi Hatsukoi fanfiction sources. Additionally, Tumblr might also have some bloggers who share or recommend such fanfictions.
One useful tip is to explore different types of Sekaiichi Hatsukoi fanfiction. Try reading ones that focus on different characters or time periods within the Sekaiichi Hatsukoi universe. This can give you a broader perspective on the story. Additionally, keep in mind that fanfiction is a form of creative expression by fans. So, don't be too critical in the beginning. Instead, focus on enjoying the unique interpretations and ideas that the fanfiction authors bring to the table. If you come across a story that you really like, you can also check out other works by the same author.