One common theme is the struggle for identity. Moka has to figure out who she is in the shadow of her famous father Naruto. Another theme could be family legacy. She has to live up to the Uzumaki name and the reputation of her father.
One idea could be a crossover adventure where Naruto and Moka find themselves in a strange new world together. They have to combine their unique abilities, Naruto's ninja skills and Moka's vampire powers, to survive and find a way back home.
There are likely fanfictions that delve into Moka's character development. She might have a special power that she has to learn to control. In these stories, she could meet new friends and allies who help her on her path. Some fanfictions may also show her interacting with the old generation of Naruto's friends, like Sasuke or Sakura, and learning from their experiences.
Inner Moka is also likely to be in these fanfictions. Her more aggressive and powerful side compared to outer Moka can create different scenarios. For example, she might be initially hostile to Naruto but then gradually warm up to him as she sees his good qualities.
Communication might be a big issue. Naruto comes from a world where people communicate in a certain way, and Moka is from a different, more supernatural - oriented culture. They may misunderstand each other's intentions or not be able to fully convey their thoughts. Also, if they are in a world that is not familiar to both of them, they would have to adapt quickly to the new environment while also dealing with their own personal differences.
Naruto in Moka's body would find it challenging to maintain his usual exuberance. His natural inclination to jump into action would be curbed as he has to adjust to Moka's more ladylike ways. He might become more perceptive of others' emotions, as Moka's character may be more in tune with such things. Moka in Naruto's body would embrace his can - do spirit. She would become more competitive and would be eager to prove herself in the ninja world. Her personality would transform from the somewhat mysterious and alluring one to a more upfront and action - oriented one, much like Naruto's.
One unique aspect could be the combination of their powers. Naruto has his ninja abilities like the Rasengan, and Moka might have her vampire - like powers. When they team up, they could create some really cool and unexpected combat strategies. Another aspect is their different personalities. Naruto is loud and outgoing, while Moka can be more reserved in some ways. Their relationship could be about how they balance each other out.
Yes, there are likely some interesting 'Naruto' and 'Moka Lemon' fanfictions out there. You can start by looking on popular fanfiction websites like FanFiction.net or Archive of Our Own. Just search for the relevant tags, and you might find some unique stories that combine elements from both.
A fanfiction could also be based on Inner Moka being curious about Naruto's world. She decides to visit it, with Naruto as her guide. Along the way, they face various challenges, like dealing with people who are afraid of Inner Moka's vampiric nature. Naruto has to use his skills to protect her and show his world that she means no harm.
There might be such a fanfiction. However, it's important to note that a lot of fanfiction is unregulated, and the quality can vary greatly. If it does exist, it could be on large fanfiction platforms like FanFiction.net or Archive of Our Own. But you would have to use their search functions and look for it specifically.