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 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.
One idea could be that Naruto, with the power of the Kyuubi, has to go on a special mission with Sakura. During the mission, they face a powerful enemy that can only be defeated by combining Naruto's brute strength from the Kyuubi and Sakura's medical ninjutsu in a unique way. For example, Sakura uses her medical skills to temporarily enhance Naruto's Kyuubi - influenced attacks, making them more precise and less draining on Naruto.
I'm not sure specifically as it could vary greatly. It might be a fan - made story where Sakura has some sort of relationship or connection to the Kyuubi in the Naruto universe. Maybe it's about Sakura's admiration for the Kyuubi's power, or her being involved in events related to the Kyuubi in a unique way.
One interesting baby kyuubi fanfiction could be about its early days of discovery in a magical forest. Maybe it's found by a kind wizard who takes it under his wing and teaches it about the magic of the world.
One interesting human kyuubi fanfiction could be about a human who forms an unlikely bond with a kyuubi. For example, a young adventurer stumbles upon a wounded kyuubi in the forest. Instead of fearing it, the human decides to help it heal. This leads to a series of adventures where they protect each other from various threats in the magical world they inhabit.
Well, in some kyuubi lemon fanfiction, there could be a focus on the relationship between the kyuubi and a human character. Maybe the human character is initially afraid of the kyuubi but then comes to understand and even form a bond with it. This type of story can explore themes of acceptance and friendship, and the lemon aspect could be used to add an element of mystery or allure to the kyuubi's character.
One interesting Naruto and Kyuubi fanfiction could be about Naruto fully mastering the Kyuubi's power in a unique way. For example, he might learn to use the Kyuubi's chakra not just for combat, but also for healing and restoring the land. In this fanfiction, Naruto could be shown training with the Kyuubi's spirit, and they develop a deeper bond than in the original series.
One interesting 'dragon kyuubi fanfiction' story could be about a dragon and a kyuubi forming an unlikely alliance to protect their magical realm from an ancient evil. They have to overcome their differences in power and nature to work together.
A plot could be that the female Kyuubi, in her jealousy, starts whispering negative thoughts into Naruto's mind about Sakura. This causes Naruto to be a bit more distant from Sakura, which in turn makes Sakura confused and determined to find out what's going on. Meanwhile, the female Kyuubi is trying to get closer to Naruto by showing her more gentle and caring side. Maybe she even tries to learn some of Sakura's skills, like cooking, to impress Naruto. As the story progresses, Sakura might start to suspect the Kyuubi's influence and there could be a showdown between them, not in a physical fight but more of a battle of wits to win Naruto's heart.
One plotline could be that the container holding the Kyuubi is stolen and Sakura has to track it down. Along the way, she discovers secrets about the Kyuubi's origin and its connection to her own powers. Another could be that the container is malfunctioning and Sakura has to enter it in a sort of astral projection to fix it, but once inside, she has to face the Kyuubi's wrath and try to calm it.