One interesting Naruto and Satsuki fanfiction could be where they team up early on to face a new threat in the Hidden Leaf. They might discover new jutsus together and their relationship grows stronger as they rely on each other's skills.
A third scenario might involve a festival in the Hidden Leaf Village. Naruto and Satsuki, along with the other members of the harem, participate in the various activities at the festival. They could try different foods, play games, and there might be a moment where Naruto wins a big prize at a game and shares it with Satsuki and the others, strengthening their bonds within the harem.
A plot could revolve around a shared enemy that has the ability to manipulate time and space. This enemy has brought Naruto and Satsuki together in a distorted reality. They must work together to defeat this enemy. Along the way, they discover that their individual strengths and weaknesses complement each other well. Naruto's positive and determined attitude could inspire Satsuki, while Satsuki's strategic thinking could help Naruto in battle.
One popular story might be 'The Unseen Bond' which delves into the complex relationship between Naruto and Satsuki in a unique way. It shows how their different personalities and goals can bring them together in unexpected situations.
Maybe a fanfiction where they are all in a different timeline. Naruto and Naruko are from a more peaceful Konoha, and Satsuki has been sent there as an ambassador of sorts from her village. At first, there are misunderstandings, but as they get to know each other better, they start to work together to improve relations between their villages. They learn from each other's cultures and ninjutsu techniques, creating a unique bond.
One plot idea could be that Naruto, Yakumo, and Satsuki are on a mission together in a strange, new land. They have to rely on each other's unique skills. Naruto's strength and determination, Yakumo's powerful genjutsu, and Satsuki's intelligence all play a part in their survival. They start off as reluctant teammates but grow closer as they face various challenges.
The ghostly apparitions themselves are a major draw. They might be designed in a way that combines traditional Japanese ideas of the afterlife and modern horror aesthetics. These ghosts could have unique abilities or backstories that make the stories more complex and intriguing.
One popular 'naruto x his dister x satsuki fanfiction' could be about their adventures together in a new, unexplored land. They might face powerful enemies and have to rely on their unique skills and the bond between them to survive. For example, Naruto's determination, his sister's intelligence, and Satsuki's combat skills could be combined in interesting ways during battles.
A more complex fanfiction could revolve around a shared goal between Naruto and Satsuki. For example, they both discover that there is an ancient evil that has been influencing events in both their universes for a long time. They have to put aside their differences (cultural and otherwise) and work together. Along the way, they might have some disagreements but ultimately grow to respect each other more as they fight side by side.
One plot idea could be that Naruto and Satsuki are on a joint mission in a foreign land. They have to rely on each other to survive and in the process, they discover new sides of each other. For example, Naruto learns about Satsuki's insecurities behind her tough exterior, and Satsuki sees Naruto's determination in a different light.
Often, you'll find themes related to the growth of their relationship from their childhood rivalry to a deeper emotional and physical connection. Another theme could be the challenges they face in expressing their feelings for each other due to their respective personalities and the world they live in. And of course, the 'lemon' aspect might bring in themes of desire and longing between Naruto and Satsuki.