In a fanfiction like this, it could be that the female OC is in a magical or cursed situation. For example, she's trapped in a dimension that's slowly draining her life force. The Akatsuki discovers her plight. Some members might be reluctant at first, but they end up rescuing her. Maybe one of the Akatsuki members has a personal connection to her situation, like they had a similar experience in the past.
The plot might involve the female OC being wrongly accused of a crime in her village. The Akatsuki, who are often on the outskirts of the ninja world's laws, rescue her. They see her as an asset or perhaps they believe she is innocent. They then have to fight off the village's ninja who are chasing them while trying to figure out how to clear her name.
Well, it could be that the female OC is in danger from some other ninja group. The Akatsuki, known for their power, decides to rescue her for their own purposes, like using her unique abilities. Maybe she has some special knowledge about a powerful jutsu or a hidden treasure. And they rescue her from a dangerous place, like a fortress full of enemy ninjas.
Itachi. He's one of the more complex and morally gray members of the Akatsuki. If he saw that the female OC was in a situation that could potentially cause chaos or harm to the ninja world in a larger sense, he might initiate the rescue. He's also the type who might see some value in the OC that others don't.
An 'akatsuki x oc lemon fanfiction' could have a plot where the OC is a healer who is captured by the Akatsuki. One of the members, say, Hidan, takes an interest in her. At first, the OC is terrified, but as she gets to know Hidan better, she realizes there's more to him than his violent exterior. The 'lemon' part could be a way to explore their growing attraction in a more physical sense. As they interact more, they start to understand each other's motives and pasts, and this relationship could either be a catalyst for change within the Akatsuki or lead to a big conflict with the other members.
The plot might center around the OC's growth within the Akatsuki. At first, they'd be in a state of confusion, not fully understanding the Akatsuki's goals. As they get adopted, they'd start to learn the ropes. It could be that they are initially tasked with menial jobs, like gathering information in villages. But then, as they show potential, they are given more important tasks. For instance, they could be involved in a heist with Sasori to steal some valuable ninja tools from a hidden village. Their journey would be about finding their place among these outcasts.
Well, in this fanfiction, perhaps the female Naruto joins the Akatsuki because she is on a mission to find out the truth about some secrets related to her family. She thinks the Akatsuki might have some clues. Once she joins, she has to face challenges like dealing with the different personalities in the group, such as Sasori who is cold - hearted and Deidara who is impulsive. But she uses her strong will and ninja skills to survive and continue her search.
A common trait is a mysterious past. This adds depth to their character. It gives the author a chance to gradually reveal bits of their backstory throughout the fanfiction. It also makes the other Akatsuki members curious about them. For instance, she could be on the run from a powerful enemy or have a hidden connection to an important event in the Naruto world.
In a 'Harry Potter rescues Amelia Bones' fanfiction, perhaps Amelia Bones is captured by Death Eaters. Harry, using his skills and courage, manages to infiltrate their lair. He could use the Invisibility Cloak and his Patronus to fend off Dementors guarding her. With his wand at the ready, he overcomes the dark magic spells set by the Death Eaters and frees Amelia Bones. Then they escape together, and Amelia might provide some crucial information about Voldemort's plans to Harry.
Well, one possibility could be that Draco has a change of heart. Maybe he realizes the unfairness of Harry's situation at the Dursleys'. He could use his family's influence or some magic skills he has to get Harry out. For example, he might create a diversion to distract the Dursleys while he sneaks Harry away.
Well, one possibility is that Naruto uses his signature jutsus like the Rasengan. He might have to fight against some powerful shinobi in the Mist village who are oppressing the clans. He could form alliances with some friendly Mist villagers to help in the rescue mission.
Maybe Naruto joins the Akatsuki with the intention of spying on them for Konoha. He could pretend to be on their side while secretly sending information back to his village. This would add a lot of tension and secrecy to the story as he has to constantly be careful not to be discovered.
Well, one possible plot could be that the Akatsuki kidnap Hinata to use her Byakugan for their own purposes. Maybe they want to study it to gain an edge in their battles or espionage. They might hold her captive in one of their secret hideouts, which could be an old, abandoned fortress.