In the context of a visual novel, 'kids next door' could refer to the characters who are the children living in the neighborhood. They might be the main characters around which the story of the visual novel revolves, perhaps exploring their daily lives, friendships, and adventures.
The 'kids next door' in a visual novel can be the central focus. They could represent different personalities and come from diverse backgrounds. The visual novel might tell the story of how they interact, like some might be shy while others are outgoing. It could also show how they deal with family issues, or new people moving into the neighborhood, and all these elements together form the plot of the visual novel.
Well, 'kids next door' in a visual novel could be a group of young characters. It could be about their growth, their relationships with each other and with the adults in their world. For example, the story might show how they face challenges in school, at home or in the neighborhood, and how these experiences shape them.