Kabuto is also common. He was Orochimaru's right - hand man. In fanfiction, he could be used to either further Orochimaru's plans against Naruto or he could have a change of heart and help Naruto against Orochimaru. His medical skills and knowledge of Orochimaru's secrets make him an interesting addition to the story.
In some fanfictions, Orochimaru might develop a sense of loyalty towards Naruto. After being around Naruto for a while, he could see Naruto as someone worthy of his loyalty. This could lead to him being more open to working with the Hidden Leaf and helping Naruto in his various missions. He might even sacrifice his own interests to protect Naruto at times, which is a complete turnaround from his initial character.
One possible fanfiction could be where Orochimaru somehow gets involved in the Teen Titans' world and meets Red X. Maybe Orochimaru is after some sort of powerful artifact that the Teen Titans are protecting. Red X, being the mysterious anti - hero, might initially see Orochimaru as a potential ally to get his hands on the artifact for his own gain. But as the story progresses, he realizes Orochimaru's true evil nature and teams up with the Teen Titans to stop him.
Yes, there are. You can start by looking on fanfiction websites like FanFiction.net or Archive of Our Own. Just search for 'Naruto x Female Orochimaru' and you'll find a variety of stories. Some might focus on an alternate universe where their relationship develops in a different way than in the original Naruto storyline.
One interesting fanfiction could be 'The New Bond'. In this story, female Orochimaru takes an unexpected interest in Naruto's growth not just as a ninja but also as a person. She starts to guide him in a different way compared to the original series, leading to unique adventures. It explores their relationship in a non - romantic yet deeply connected way.
There's a fanfic where Female Orochimaru is a bit of an outcast in the shinobi world due to her experiments. Naruto, being Naruto, doesn't immediately judge her. In this fanfic, they end up teaming up to face a common enemy. It shows how their different upbringings and views on life can both clash and complement each other. It's a really interesting take on their relationship and makes for a great read if you can find it.
One interesting idea could be Orochimaru seeing Naruto as a unique specimen and instead of just trying to use him, he actually starts to respect Naruto's willpower. This could lead to a strange mentorship of sorts where Orochimaru teaches Naruto some of his more unorthodox jutsu in exchange for Naruto trying to help Orochimaru find a new path that doesn't involve so much darkness.
One interesting 'Fem Orochimaru x Naruto' fanfic could be 'The Unexpected Bond'. In this fanfic, Fem Orochimaru has a different approach to Naruto compared to the original character. She sees his potential not just as a vessel but as an individual with unique power. Another good one might be 'A New Alliance' where their relationship develops in the midst of the chaos of the ninja world. It shows how they could work together in unexpected ways. There are also some on smaller fanfic platforms that explore their dynamic in a more psychological way, delving into how Naruto's positive nature could influence Fem Orochimaru.
The theme of forbidden love is also prevalent. In the Naruto universe, their relationship would be considered unconventional. So, these fanfics often play on the idea of breaking the norms and the challenges that come with loving someone who is an unexpected partner. This adds an element of drama and tension to the stories.
One interesting plotline could be Orochimaru trying to use Naruto for a new experiment but Naruto ends up influencing Orochimaru instead. For example, Naruto's strong will and belief in friendship might start to make Orochimaru question his own dark path.