The plot could involve a prophecy that ties the kabuto snakes' coils to the sakura. A chosen one is destined to bring together the power of the snakes' coiled forms and the essence of the sakura. Maybe the snakes' coils hold a map or a code that is inscribed on the petals of the sakura, and the protagonist has to decipher it to save their world from an impending doom.
In a fanfiction, the kabuto snakes' coils might have a special power related to the sakura. For example, their coils could be the key to unlocking the secret magic of the sakura, which is fading away. A hero or heroine might set out on a journey to figure out how to use the snakes' coils to save the sakura and the land it blesses.
The plot could be about a magical world where Kabuto snakes are guardians of a sacred sakura tree. The snakes coil around the sakura to protect it from dark forces. A young hero discovers this and has to convince the snakes to let them pass in order to gain a special power from the sakura.
I'm not sure specifically as it depends on the particular fanfiction. But generally, it might involve Sakura facing challenges while in some sort of situation with snakes. Maybe she's trying to escape from their coils or deal with some power related to the snakes.
The plot could involve Kabuto sending his shadow snakes to steal a valuable scroll from Sakura. Sakura uses her fan to defend the scroll. The fan could have some hidden abilities that she discovers during the fight, like the ability to create illusions that make the snakes attack each other.
One possible plot in such a fanfiction could be that a character discovers a hidden grove of sakura trees, and within it, the Kabumaru snakes. The snakes' coils seem to be connected to the life force of the sakura. As the character tries to understand this connection, they get drawn into a world of magic and mystery that revolves around these two elements.
One great fanfiction in this theme could be 'Sakura's Encounter with Orochimaru's Snakes'. In it, Sakura has to face off against Orochimaru's snake coils in a very dangerous situation. It really shows her growth as a character from being a timid girl to a strong ninja. Another could be 'Snake Coils and Sakura's Power', which focuses on how Sakura uses her medical ninjutsu skills to counter the threats posed by Orochimaru's snakes.
Most likely Sakura is one of the main characters, as the title mentions her. And the snakes could be considered characters in a sense, or there could be other characters related to Sakura who might be trying to help her out of this situation with the snakes.
One common trope is the 'Rescue Mission'. Sakura gets trapped by Orochimaru's snake coils, and her friends, like Naruto or Sasuke, come to her rescue. It plays on the idea of friendship and loyalty in the Naruto universe. Another trope is 'Sakura's Hidden Power'. When faced with the snake coils, Sakura discovers a new, hidden aspect of her power that she didn't know before, which helps her escape or fight back.
A simple way is to have a battle scenario. Kabuto sends his shadow snakes towards Sakura. Sakura defends herself with her fan, using it to block and counter-attack. The snakes' movements and Sakura's fan techniques could be described in detail, like how the snakes slither menacingly and how Sakura gracefully maneuvers her fan.
In a fanfiction, the shadow snakes of Kabuto could be enchanted or mutated in some way. Sakura, with her trusty fan, might be on a mission to study or cure these strange snakes. This could lead to an adventure where she has to face Kabuto, who is protective of his shadowy creations.