One interesting plotline could be Naruto struggling to control the power of the cursed seal. He might initially be afraid of it but then gradually learn to harness it for good, like using it to protect his friends in a battle against a powerful enemy.
Another plotline could be that the cursed seal affects Naruto's relationships. His friends might be worried about him, and some might even be afraid of him when they see the power of the seal. Naruto then has to prove that he's still the same person and that the seal won't change him for the worse. He could also find an unexpected ally who has experience with cursed seals and helps him understand and control it better.
One interesting concept could be the exploration of how different characters handle the cursed seal's power. For example, some might struggle more than others, like Sasuke did in the original series. The fanfiction could also delve into creating new types of cursed seals with unique abilities, perhaps ones that affect the user's chakra in unexpected ways.
One interesting storyline could be about a character who has the Cursed Seal of Earth and struggles to control its power. They might go on a journey to find a way to master it without losing their sanity.
Jiraiya is another character that could be present. As Naruto's mentor, he would be concerned about Naruto getting the cursed seal. He might try to find a way to remove it or at least teach Naruto how to manage it without losing himself. Jiraiya's vast knowledge of ninja arts could play a crucial role in Naruto's struggle with the cursed seal.
Some fanfictions focus on the idea of a different kind of seal being used on the Kyuubi. Maybe a more humane or symbiotic seal that allows Naruto to fully utilize the Kyuubi's power without the negative side effects. This can lead to a whole new Naruto, one who is more in control and perhaps even more powerful than in the original story.
One interesting 'Cursed Seal Naruto Fanfic' story could be about Naruto learning to control the power of the cursed seal in a unique way. For example, instead of it being a purely negative force, he finds a way to use it to enhance his regular jutsu without succumbing to its dark side. This could involve him training with an unexpected ally who has knowledge of ancient sealing techniques.
One interesting plotline could be the main character, as a seal master, using the Hiraishin in unique ways to solve difficult battles. For example, creating new seals that combine the power of the Hiraishin with other jutsu.
One interesting plotline could be the discovery of a long - lost secret seal technique. The main character might find an ancient scroll that contains the seal, and then they have to figure out how to use it without getting into trouble with the village elders.
Some fanfictions might explore the idea that the Cursed Seal of Fire is slowly consuming Naruto. He has to race against time to find a way to either remove it or find a balance. This could involve seeking out reclusive sages or ancient scrolls that hold the secrets to dealing with the seal.
In some 'naruto gets dumped fanfiction', there could be a plotline where Naruto's friends try to cheer him up. They might take him on adventures or introduce him to new people. This could show the importance of friendship during tough times and how his friends can help him get over the dumped experience.
Another plotline might be that Naruto, being the kind - hearted person he is, tries to free the maids from what he perceives as a life of servitude. He could start a movement to give them more rights and in the process, he might face opposition from the people who are used to the traditional maid - master relationship. This would explore themes of equality and social change within the Naruto universe.