Ron could have a more mixed reaction. He might be jealous since he has his own feelings for Hermione (in the original series). So, he could be a bit standoffish or try to come between them at first. However, as the story progresses, he might come to accept it, especially if he sees how much they care for each other.
Well, Harry might be a bit surprised at first. But he could also be supportive as he values both Sirius and Hermione. He might see that Sirius makes Hermione happy and be okay with it.
One common plotline is Sirius being protective of Hermione. He might see her intelligence and bravery and feel drawn to her. He could protect her from various threats in the wizarding world, like Death Eaters or other dark forces.
Harry often tries to be there for her. He might not fully understand her depression at first, but he'll stay by her side, offer a listening ear and try to cheer her up in his own clumsy way, like suggesting they go on an adventure or something.
There are indeed. Some fanfictions in this vein might focus on how Hermione's smitten state begins. It could be through a series of shared moments in the library, where Remus is helping her with some advanced magic research. As she gets to know him better, her feelings grow. These stories often play with the idea of Hermione's intelligence and Remus' wisdom coming together in an interesting and romantic way.
In some fanfictions, Kakashi would be very disappointed. He has always seen Naruto as a student with great potential and has trained him. His reaction could range from trying to reason with Naruto to having to take him on as an enemy if Naruto is too far gone. Sasuke might also feel a sense of betrayal himself. He might think that Naruto has abandoned their shared goals, like bringing about a change in the ninja world. He could then become even more cold - hearted and focused on his own power - seeking journey.
Ron would be extremely worried. He's her best friend and sidekick, so he'd probably be by her side constantly, trying to cheer her up and making sure she has everything she needs during her recovery. He might also be a bit overprotective at first, not wanting her to jump back into action too soon.
Some fanfictions show that Hermione might be a bit worried about how this will affect her studies or her work in the wizarding world. George tries to reassure her by saying that they will figure it all out together. He often makes her laugh with his silly jokes to ease her concerns.
One common theme is the age - gap relationship dynamic. Since Remus is older, there's often a sense of Hermione having to navigate her feelings in the face of this difference. Another theme is the exploration of Hermione's more emotional side, as she's usually portrayed as very logical in the original series. Here, her smitten state shows a different aspect of her character.
In many such fanfictions, Draco often has a complex reaction. Since his family was on Voldemort's side initially, he might initially be in a position of power but then start to question Voldemort's methods. Hermione, being the intelligent and strong - willed character, usually tries to find ways to resist. Ron, who is loyal to his friends, stands by Hermione and they often try to form some sort of resistance together.
The main difference is the focus on abuse. While other fanfictions might focus on his heroics or his relationships in a more positive light, 'sirius black abused fanfiction' delves into the darker side of his character. It might show aspects of him that are not so pleasant and explore the consequences of those actions.
Sirius would probably be very concerned. He might immediately ask her what's wrong and offer her a handkerchief to dry her tears. He has a bit of a wild side, but he also has a big heart, especially when it comes to those he cares about or sees as in need of help.