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.
There isn't much information available to me regarding its widespread popularity. However, if it has unique storylines, engaging characters, and good graphics (if applicable), it could potentially be popular among the visual novel community. Some visual novels gain a cult following even if they are not well - known to the general public.
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).
I'm not entirely sure as I haven't played it in detail. But generally, a visual novel often involves a story with characters and various plotlines. It might be centered around relationships with the female characters (since 'kanojo' means 'she' or 'girlfriend' in Japanese).
She might be a character that exists in a specific sub - genre of Naruto fanfiction. For example, in a fanfiction that focuses on a more peaceful, alternate universe version of the Naruto world, Shizuka could be a healer or an artist who crosses paths with Naruto and changes his perspective on things.
Well, in some Naruto fanfictions, Shizuka might be a character who is initially an outsider to the main events of the Naruto story. But as the fanfiction progresses, she gets drawn into the chaos and becomes an important part of Naruto's journey, either as a supporter, a love interest, or a rival in some aspects.
Nobita often tries to do things to impress Shizuka. For example, he might use Doraemon's gadgets to become more athletic or more intelligent in front of her.
Again, without knowing the details of the 'real Shizuka story', it's hard to say its significance. It could be significant to the people directly involved in the story, like her family or friends. Maybe it has lessons about love, friendship or perseverance.