A great plot idea could be that the villain gets cursed by a wizard and the only way to break the curse is to find a golden lemon. Along the way, he has to face many challenges and make some unexpected alliances. Maybe he teams up with a young hero who also has a personal vendetta against the wizard. They start off as enemies but as they search for the golden lemon, they learn to understand each other's motives and end up changing their relationship.
One idea could be that the villain discovers a lemon tree in a magical forest and the lemons have the power to either enhance his evil or turn him good. For example, he could initially want to use the lemons to create a poison but then realizes that their essence can heal a wounded friend. Another plot could be that the villain is allergic to lemons and in a comical turn of events, he keeps accidentally getting exposed to lemon - related things, which causes chaos in his evil plans.
In this type of fanfiction, a plot could involve the clones being created for a specific mission related to a lemon - based resource. This resource might be essential for a new jutsu or to heal a certain illness in the ninja village. Naruto and Naruko have to lead their clones to find and secure this resource. Along the way, they face challenges from other ninja clans who also want the lemon - based resource, and they have to use their combined skills and the unique traits of the clones to succeed.
In Si as Ash Pokemon fanfiction, a prevalent plot is Si being a rival to Ash at first but then becoming his closest ally. They could compete in Pokemon battles and then team up against a greater threat, like an evil organization trying to capture all the rare Pokemon. There might also be a plot where Si discovers a hidden power within Ash that even Ash himself doesn't know about, and they work together to harness that power for the good of the Pokemon world.
One plot idea could be that Hermione discovers she has a siren's power deep within her. Maybe she accidentally uses it during a dangerous situation at Hogwarts and has to learn to control it. Another idea is that she gets drawn into the world of sirens while on a magical research trip near the sea. She has to navigate their society and figure out how to use her new - found knowledge to help her friends.
One idea could be that Hermione discovers a magical cat that can talk and has knowledge of ancient spells. The cat becomes her sidekick in solving mysteries around Hogwarts. Another could be that she gets turned into a cat herself and has to navigate the wizarding world from a feline perspective, facing challenges like getting other students to understand her without speaking.
One plot idea could be that Naruto is summoned to a different dimension where ninjutsu doesn't exist. He has to adapt and use his raw strength and wits to survive and find a way back. Another could be that he's summoned by an ancient clan that believes he's the key to unlocking a powerful, long - lost jutsu. They force him to help them, but Naruto tries to find a peaceful solution instead of just following their orders.
One idea could be that Itachi, as a girl, has to hide her true identity in the ninja world. She might face different challenges compared to her male counterpart, like dealing with gender - specific expectations in combat training. For example, she could be underestimated at first but then prove herself to be an even more formidable ninja.
One plot idea could be that Naruto is framed for stealing a powerful and ancient scroll from the village. The real culprit could be a rogue ninja who has the ability to disguise as others. Naruto then has to prove his innocence while on the run from the village's forces. Another idea is that he's framed for a crime that was actually committed by a corrupt member of the village council, who wants to get rid of Naruto because he's seen as a threat to their power.
A plot could also involve Naruto being reincarnated at a different point in the Naruto timeline. For example, if he was reincarnated during the time of the Sage of Six Paths. He could have a major impact on the early development of ninjutsu and the ninja world.
One plot idea could be that Hermione is framed for stealing powerful magical artifacts from the school. Another could be she's framed for using dark magic in a situation where she was actually trying to stop it. Maybe she's framed for cheating on her exams when she was just helping a struggling friend.
Perhaps there is a situation where they have to team up to protect the Earth from a new threat. In the process, they discover feelings for each other that they hadn't expected. Their relationship then develops against the backdrop of this high - stakes adventure.