Another plot might be that Sakura, in her search for a new medical ninjutsu technique, stumbles upon a hidden power within Kyuubi. They have to work together to unlock this power. Along the way, they learn about each other's fears and hopes. Sakura realizes that Kyuubi is not just a source of power but a sentient being with its own desires, and Kyuubi comes to respect Sakura's determination and kindness.
One plot could be that Sakura discovers a way to communicate with Kyuubi on a deeper level. She uses her medical ninjutsu knowledge to help soothe some of Kyuubi's old wounds (not physical but emotional from being trapped for so long). They form an unlikely friendship and together they start to influence Naruto in positive ways that no one expected.
In some fanfictions of this type, an interesting plot could be the transformation of the harem due to Naruto's growth and new powers related to the Kyuubi. As Naruto becomes stronger, the dynamics within the harem change. New characters might be attracted, and old relationships might be re - evaluated. This could create a complex web of emotions and storylines that keep readers engaged.
A great plot would be if they all time - travel back to their childhood days. Sasuke could use his knowledge of the future to prevent certain tragedies, Naruto would try to befriend everyone even earlier, and Sakura could focus on improving her skills from a younger age. This would also change their relationships in interesting ways. Also, a plot where they all get stranded on an unknown island and have to survive together while also dealing with their personal issues could be really interesting.
One interesting plot could be a story where Sarada discovers a hidden lemon grove that has some sort of special chakra. Sasuke and Sakura then join her to explore its secrets. Maybe the lemons have the power to heal or enhance their ninja abilities in unique ways.
Another aspect could be their relationship development. Maybe they start off as distrustful of each other, but as the story progresses, they come to understand and respect one another. This can be shown through various plot devices such as shared missions or mutual friends. For example, they could be forced to work together to rescue a kidnapped comrade, and during this process, they learn about each other's values and goals.
A great aspect is their shared femininity in a male - dominated ninja world. They can support each other in dealing with the challenges that come with being female ninjas. For instance, they might face discrimination or different expectations, and in fanfiction, they can bond over these experiences and rise above them together. This can lead to some really inspiring stories.
One interesting plot could be that Spiderman and Shadowcat have to work together to stop a powerful villain who is causing chaos in the city. They start off not really understanding each other's powers and ways of doing things, but as they face challenges, they learn to complement each other. For example, Shadowcat can phase through objects and gather intel, while Spiderman can use his webs to quickly get to different locations and take on the villain directly when needed.
There could be a fanfiction where Shirou Emiya discovers a long - lost family member who is also a powerful mage. The story could revolve around their relationship, how they learn from each other, and how they face challenges together. Or perhaps a plot where he has to use his powers to enter a magical realm and retrieve a powerful artifact to save his world from destruction.
A sakura kyuubi fanfiction could also explore a scenario where Sakura is the only one who can calm the Kyuubi when it goes berserk. This would put her in a very important position in the village as she would be the key to controlling the most powerful and dangerous force within it.
One possible interesting plot could be Gaara and Sakura working together on a school project in the high school setting. They might start off not getting along well due to their different personalities, but as they spend more time together, they gradually understand each other and form a unique bond.
One common theme could be the exploration of an unusual relationship between kyuubi and sakura. Maybe it's about how they overcome differences in their natures.