One great Scott McCall's little sister fanfiction could be where she discovers her own supernatural powers and has to navigate the same world as Scott, but with her own unique challenges. Maybe she has a different type of werewolf ability or some other hidden power.
In some fanfictions, Scott's little sister could be in a love triangle. She might fall for one of Scott's friends, while also having feelings for someone else from a different group. This would add a lot of drama and tension to the story, as she has to deal with her own emotions, her brother's protectiveness, and the complex web of relationships in the supernatural world.
There's also 'Scott's Vampire Journey'. This fanfic delves deep into how Scott's life changes when he becomes a vampire. It shows how his relationships with his friends, like Stiles, are affected. It's a really engaging read as it combines the supernatural elements of vampirism with the already established relationships from the original show.
She might be very intelligent. Maybe she's the one who figures out the weaknesses of the various supernatural creatures they encounter. She spends her time in the library researching and comes up with strategies to keep everyone safe.
There could be a story where the baby sister is the key to solving a big mystery in the supernatural world. She has a unique connection to an ancient artifact or a prophecy. Scott and his friends initially don't realize her importance, but as the story unfolds, they discover that she holds the answers they've been looking for. This leads to a lot of character development for her and strengthens the bond between her and Scott as they work together.
One great Scott McCall fanfiction is 'The Alpha's Redemption'. It delves deep into Scott's struggle with his werewolf nature and his leadership role. Another interesting one could be 'Scott's Hidden Powers', which explores new abilities that Scott might possess but haven't been shown in the original series.
There's 'A Different Path for Scott McCall' which features an oc with unique powers. This fanfiction delves deep into how the oc's presence changes Scott's journey and the overall dynamic in Beacon Hills. It's really engaging as it shows different perspectives of the familiar Teen Wolf world.
You can try fanfiction platforms like Archive of Our Own (AO3). There are tons of fem Scott McCall fanfictions there. Just search for 'fem Scott McCall' in the search bar and you'll be presented with a variety of stories. Another option could be FanFiction.net, though AO3 generally has a wider range of more diverse content in my experience.
Obviously, Scott McCall is one of the main characters. His baby sister is also a central figure. Depending on the fanfiction, characters like Stiles, who is Scott's best friend, could also be important. They might help Scott protect his sister or be involved in her upbringing in some way.
The people who in the future are his enemies but in the past are just normal people might become his allies. For instance, if there is a character who later turns against him, in the past he might be able to befriend that person and change their future path, so they end up helping him in his time - traveling adventures.
Yes, there are quite a few. You can start by looking on fanfiction.net. There are many different takes on their relationship, some focus on adventures they might have together in a crossover universe, others might explore their emotional connection in a more angsty way.
One great fanfiction could be 'The Adventures of Sirius Black's Little Sister'. It might focus on her life at Hogwarts, her relationships with other characters like the Marauders. Another could be 'Sirius Black's Sister: A Hidden Legacy' which could explore her magical abilities that are different from Sirius's. There are also fanfictions that might delve into her role during the First Wizarding War, showing how she coped with the chaos and danger.