Well, in such a fanfiction, Itachi might kidnap Hinata for various reasons. Maybe he's being controlled by some dark force and needs Hinata for some ritual. Or perhaps he's been misinformed that Hinata has some special power that can help him in his secret mission against the Hidden Leaf Village.
Well, one possibility could be that Itachi has some hidden motive related to the Uchiha clan's secrets. He might think Kakashi knows something crucial. So, he kidnaps him to interrogate him in a secret location.
One great 'Sasuke and Itachi Fanfiction' is 'The Bond Beyond Blood'. It delves deep into their complex relationship, exploring the unspoken emotions between them. The story is set in an alternate universe where they have to team up against a new, powerful enemy. It shows how they gradually come to understand each other better in the face of danger.
Well, one possibility is that Itachi has some hidden motives. Maybe he believes Sakura has knowledge about something important in the ninja world, like a secret jutsu or information about an enemy. So he kidnaps her to extract that information.
Well, in this kind of fanfiction concept, it could be a very interesting plot twist. Naruto, being female, might have some strong motives for kidnapping Sasuke. Maybe she believes she can protect him better this way from the various threats in the Naruto world. It could also lead to a different kind of relationship development between them, far from the traditional friendship or rivalry.
In this kind of fanfiction, Itachi might use his powerful Sharingan abilities. He could perhaps create illusions to mislead Orochimaru and his minions, then quickly snatch Sasuke away. For example, he could make Orochimaru think that Sasuke is in a completely different location while he secretly approaches and rescues him.
In many fanfictions, Sasuke starts as a character full of anger and a thirst for revenge. But in the context of a relationship with Itachi, he begins to soften. He starts to see Itachi in a different light, beyond just the person who killed their clan. Itachi, on the other hand, is often portrayed as a complex figure with many secrets. In these fanfictions, his love for Sasuke makes him more vulnerable and human. For example, in some stories, he reveals his true motives to Sasuke, which changes their dynamic.
Sasuke could also be motivated by power. He might believe that Sakura has some sort of knowledge or power that he needs. By kidnapping her, he can force her to give it to him or help him obtain it. This could be related to her medical skills or some hidden power within her that Sasuke has discovered.
Itachi himself could be seen as the main antagonist in this scenario as he is the one carrying out the kidnapping. He is acting against Sakura's will and causing a dangerous situation for her.
Well, in this fanfiction, perhaps Itachi is being manipulated by some dark force. He kidnaps fem Naruto because he's under the control of this force which thinks that Naruto, being female in this version, holds the key to some sort of ancient prophecy. Itachi is then in a struggle between his loyalty to the village and the commands of this dark entity.