I'm not sure about its popularity. It might be popular within certain niche communities who are fans of visual novels, especially those interested in stories with female - centric characters. However, without more data on its sales or community following, it's hard to say for certain.
I'm not entirely sure specifically as I haven't fully explored it myself, but generally a visual novel is a form of interactive fiction. It might involve stories about relationships among characters. Maybe it's about different aspects of the relationships between 'kanojo' (which might mean 'she' or 'girlfriend' in Japanese).
Since we don't have much specific information, we can assume that the main character is likely related to 'kanojo'. It could be a male character who has a relationship with her, like a boyfriend or a friend. And of course, Kanojo herself is a main character as the title seems to be centered around her.
I'm not sure about its popularity. It could be popular among fans of visual novels, especially those who enjoy stories focused on relationships. However, if it hasn't been widely promoted or if it has a niche target audience, it might not be as well - known in the broader gaming community.
As I haven't read the 'hiota no kanojo light novel', I can't say for sure who the main characters are. But if we assume from the title, Hiota is likely to be one of the main characters, and his 'kanojo' (which means girlfriend in Japanese) is probably another important character. There might also be supporting characters like their friends or family members, but without reading it, it's all speculation.
I'm not entirely sure as I haven't played it specifically. But generally, a visual novel often involves a story with characters, choices, and multiple plotlines. It might be about the relationship between 'kimi' (you) and 'kanojo' (her), perhaps a love story or an adventure where their interactions play a crucial role.
Since I don't have direct knowledge of this 'kanojo ni uwaki novel', it could potentially be a story that delves into the complex relationships of a female character. Maybe it shows the consequences of her actions if she is involved in something like uwaki. It could also explore the emotions of the people around her, such as her partner or family members.
Typically, 'fujoshi kanojo light novel' might have themes related to female fans of male - male relationships. It may include elements like complex character relationships, often with a focus on the emotional and psychological aspects of the characters.