In the 'sakura goes to hogwarts fanfiction', it could be that Sakura is a transfer student. She would face the challenges of adapting to the different magical system in Hogwarts. For example, she has to learn about potions and spells in the Hogwarts way. Along the way, she might discover a hidden mystery in Hogwarts that only she, with her special background, can solve. Maybe it has something to do with an ancient artifact that links her world to Hogwarts.
Sakura could have interactions with the Weasley family. Ginny Weasley might become her friend and they could have girl - talk about magic and boys. Fred and George could also be part of her story. They might play some pranks on her at first but then become good friends. And don't forget Neville Longbottom. Sakura could help Neville gain more confidence in his magic abilities as they study together in the Hogwarts library.
Well, one possible plot could be that Sasuke and Sakura are somehow transported to the Hogwarts world. Maybe they initially struggle to adapt to the magic there. Sasuke might be intrigued by the Dark Arts while Sakura tries to master healing magic in the Hogwarts way. And they could end up getting involved in a battle against a dark wizard who is threatening Hogwarts, using their ninja skills combined with magic.
Sakura might become friends with Hermione. They both are intelligent and interested in learning, so they could bond over books and studying magic. Sasuke, well, he might be a bit more aloof, but he could end up having an odd friendship with Harry. They both have a sense of responsibility and a past filled with challenges, so they might understand each other on some level.
He might use his spider - powers to outperform in Quidditch. His agility could make him an excellent seeker, zipping through the air to catch the golden snitch much faster than others.
Well, he might show off some really old - fashioned but extremely powerful magic that would shock everyone at Hogwarts. Maybe he'd befriend Harry Potter and teach him some ancient spells that could defeat Voldemort in a whole new way.
The plot might involve Naruto making friends with some of the Hogwarts students. He could show them his unique fighting style, like the Rasengan, and they in turn could teach him some basic spells. For example, Hermione could be intrigued by Naruto's chakra system and Naruto could be amazed by her knowledge of magic. There could also be a conflict where Naruto has to face some dark wizards using his ninja abilities, while also learning how to use magic in a pinch.
There could be a character like Tom, a Smeltings student who is very disciplined but curious about the magical world of Hogwarts. He might be the main character who drives the story forward as he experiences all the new things at Hogwarts.
Well, it could be about Mal, who might be a new student at Hogwarts. Maybe Mal discovers a hidden magic ability that no one else has. He could make new friends and together they face some sort of mystery in the castle, like a secret room that holds an ancient magic that's in danger of being misused.
In this fanfiction, Dudley might face a lot of challenges. He's used to a different world than Hogwarts. He could struggle with magic classes as he has no prior knowledge. Maybe he'd be bullied at first for being a Muggle - born in the eyes of some students. Also, his relationship with Harry could change in a new and interesting way.