A plot idea could be that she is a criminal due to a curse placed on her sword. The curse makes her lose control sometimes and attack innocent people. She is constantly on the run, trying to find a way to break the curse. During her journey, she encounters Sakura, who has some knowledge of medical ninjutsu and ancient curses. Sakura decides to help her, not only because she wants to cure her but also because she sees a good person beneath the criminal facade. This could be a story about friendship, redemption, and the fight against dark magic.
The female swordsman criminal could be on a mission to avenge her family's death. In her quest for revenge, she breaks many shinobi laws. For instance, she might infiltrate a hidden village to get to the person responsible for her family's demise. Along the way, she crosses paths with Sasuke, who can relate to her thirst for vengeance. They might either become comrades or enemies depending on their different views on how far one should go for revenge. This could lead to a complex and engaging story with lots of action and emotional depth.
She could be a criminal because she was born into a family that was considered enemies of the Hidden Villages. Her swordsmanship was passed down through generations in her family. As a result, she has to fight against the prejudice and the constant pursuit of the ninja. She might find an unexpected ally in a young, open - minded ninja who sees her for who she really is, not just as a criminal.
A plot could be that the female swordsman was experimented on by Orochimaru and turned into a criminal as a result of the dark chakra infused in her. She uses her sword to hunt down those who once supported Orochimaru's experiments. Her criminal actions are more about seeking justice in her own distorted way.
One idea could be a swordsman from another world ends up in the Naruto universe and has to learn chakra control to enhance their sword skills. They could team up with Naruto and his friends to fight against a new, powerful enemy that is immune to regular ninjutsu but vulnerable to the swordsman's unique sword techniques.
In a Naruto - based fanfiction, the female swordsman criminal could be a former member of a rogue ninja group. She decides to turn over a new leaf after realizing the error of her ways. However, the shinobi world doesn't trust her easily. She uses her swordsmanship not only to defend herself but also to prove that she can be a force for good. For example, she might start by helping villagers who are being attacked by bandits, gradually earning their trust and respect.
One idea could be a swordsman from a far - off land coming to the Naruto world to test his skills against the ninja swordsmen. He might have a unique sword - fighting style that surprises everyone.
One plot idea could be that Naruto is framed as an S - rank criminal. Maybe someone planted false evidence against him, and he has to go on the run while trying to clear his name. He might have to team up with unlikely allies, like some of the Akatsuki members who also believe he's been wrongly accused.
Well, one idea could be exploring how a criminal family within the Naruto universe might have unique jutsu or abilities that are used for illegal activities. For example, they could have a jutsu that allows them to steal chakra undetected.
One idea could be a crossover where Naruto characters are wrongly accused of crimes in the RWBY universe. For example, Naruto could be framed for stealing Dust in Vale. The story could then focus on him proving his innocence while also learning about the unique aspects of the RWBY world.
One idea could be a gamer who is wrongly accused of a cyber - crime within the game world and has to prove their innocence while facing off against powerful in - game enemies and real - world skeptics.
Well, you could write a fanfiction where the BAU team gets trapped in a virtual reality world created by a tech - savvy unsub. They have to solve puzzles and cases within this virtual world in order to escape. Or perhaps a story where a new agent joins the team who has a psychic ability that they keep hidden at first. But as the cases progress, this ability starts to surface and help the team in unexpected ways.
In some fanfiction scenarios, she could be kidnapped by a time - traveling villain who comes from a future where she has caused a major change that they don't like. So they go back in time to stop her by taking her out of the equation. Another idea is that she is kidnapped by a group of outcasts who think that by having her, they can finally gain acceptance in the ninja world. They hold her hostage and demand that the villages give them certain rights and privileges in exchange for her safe return.