One common theme is the development of relationships. Since it's a harem concept, there are multiple relationships centered around Sasuke that need to be explored and developed. For example, how Sasuke balances his feelings for different characters.
Conflict is also a common theme. There can be conflict between the members of the harem, vying for Sasuke's attention or having different ideas about his future. And also there can be external conflicts that Sasuke and his harem have to face together, which further tests their relationships and loyalty.
One common theme is love and friendship. Since it's a harem concept, Naruto has to build different kinds of relationships with Fem Sasuke and other characters in the harem. Love triangles or more complex relationship webs often emerge.
One common theme is the elevation of Naruto to a near - godlike status. This often involves giving him powers far beyond what he has in the original series. Another theme is the harem, which usually includes Naruto having multiple romantic interests among the female characters in the Naruto world. And of course, the Sasuke bashing theme where Sasuke is made to look bad, maybe by showing him as jealous of Naruto's newfound status or his relationships with the girls in the harem.
One common theme is the exploration of alternative relationships. Since Sasuke is made female in these fanfictions, it changes the dynamic between Naruto and Sasuke completely. Another theme is the management of the harem. How Naruto deals with multiple relationships at once is often a big part of the story.
Well, obviously Sasuke is a central character. Naruto often makes an appearance as Sasuke's friend or rival. Female characters like Sakura, Hinata, and Ino are common in the harem. Sakura is Sasuke's former teammate and has had long - standing feelings for him. Hinata is known for her gentle nature and could be an interesting addition to the harem. Ino is also a strong - willed character who could add drama to the harem - based story.
One theme that's frequently seen is the exploration of Sasuke's dark past and how Kakashi tries to help him overcome it. There's also the theme of power. How Kakashi helps Sasuke control and develop his power in different and interesting ways. Friendship, in a way that goes beyond the normal sense, is also a common theme. They have a special connection that fanfictions like to expand on.
One common theme is redemption. Sasuke has done a lot of things that some might consider wrong, and in many fanfictions, Naruto is the key to his redemption. Another theme is friendship. Their bond is often explored in different ways, like how they support each other in tough times. Also, the idea of power and how they use it together or against each other can be a theme.
Love and redemption are very common themes. Since Sasuke has a rather troubled past, many fanfictions explore how he can find redemption through his relationship with Sakura, who loves him unconditionally.
One common theme is the struggle between Sasuke's vampire nature and his humanity. He often has to deal with his bloodlust while still trying to hold on to his old self. Another theme is the isolation that comes with being a vampire. Sasuke is usually depicted as being alone or having a hard time fitting in with normal humans or even other vampires.
One common theme is redemption. Often, the OC helps Sasuke on his path of redemption, either from his past actions or his dark thoughts. For example, in many stories, the OC's positive influence makes Sasuke question his revenge - driven motives.
Common themes include the power of love. Sakura's love for Sasuke is so strong that it can break through his cold exterior. There are also themes related to forgiveness. Sasuke has made mistakes in the past, and Sakura has to forgive him. And in many fanfictions, the theme of building a future together is prominent, whether it's rebuilding the Uchiha clan or just living a happy life in the village.