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.
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.
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.
In fanfiction, AOI might often be depicted as a mysterious and powerful figure. For example, in some stories, AOI has unique abilities that are crucial in helping Sakura. Sakura Haruno, on the other hand, is usually shown as brave and determined. She is always ready to face challenges, like in her original story, and her growth as a character is often explored further in fanfiction.
I'm not entirely sure as 'aoi tori visual novel' isn't very well - known to me specifically. It could potentially be a story - driven game that follows the adventures of characters in a world created by the developers. Maybe it has themes related to friendship, love, or self - discovery like many visual novels do.