Another interesting approach is to make a new villain who is a former student of one of the well - known senseis in Naruto. This villain could have turned bad due to being mistreated or having a different view on the shinobi world.
One idea could be to explore the backstory of Orochimaru in more depth. Maybe show his early days in the Hidden Leaf Village and what led him to become so obsessed with immortality and dark jutsu.
A villain oc who is a half - human, half - beast hybrid. They were outcast from society because of their appearance and now seek revenge on all the villages. They have unique physical abilities due to their hybrid nature, like super strength and enhanced senses. Or perhaps a villain oc who is a former student of a great ninja but turned against their teachings. They create their own new and dangerous form of ninjutsu that goes against the traditional ways.
One idea could be to explore the backstory of a minor villain. For example, the White Fang members. You could show how they were recruited, what drove them to join the group. Maybe they had a family that was wronged by humans, and this led to their radicalization.
One idea could be a time - travel fanfic where Naruto or Sasuke go back in time and try to change certain events. This would allow for a lot of creative storytelling as they interact with their younger selves and try to prevent future tragedies.
One idea could be to create an alternate universe where Naruto has a different elemental affinity from the start. For example, instead of wind, he has lightning. Another could be a fanfic focused on the relationships between the characters outside of the main plot, like how Sakura and Ino rekindle their friendship in a more in - depth way. Or you could write about Naruto's training journey with a different mentor, say Jiraiya's long - lost brother who has a completely different teaching style.
One idea could be a fanfic where Naruto travels to a different dimension where the Akatsuki are the heroes. Another could be a story about Naruto's kids growing up in a world where there's a new threat that they have to face without their parents' immediate help. And a third idea is a fanfic where Naruto discovers a hidden bloodline within himself that gives him unique powers.
In this 'naruto the quirky villain fanfiction', the villain could be a master of illusions but in a very unorthodox way. Instead of creating fearsome or menacing illusions, they create really absurd ones like a world filled with giant rubber ducks. The villain could also be a talking animal that has somehow gained ninja powers and uses them in the most unpredictable ways. They might befriend some of the minor characters in Naruto and use them for their own comical and mischievous plans.
A good plot could be a villain being sent to an alternate dimension where they experience a life without quirks. They see how normal people live and cooperate, and this makes them realize that their use of power for evil was wrong. When they return to their own world, they are determined to reform.
One idea could be that the villain is secretly in love with the hero and tries to protect them from a greater threat without the hero knowing. Another could be a situation where the hero gets injured and the villain has to take care of them, leading to a change in their relationship. Or perhaps the villain and hero are forced to team up due to a common enemy and during that time, a romantic tension builds between them.
In 'naruto wings fanfic', often there are ideas related to the origin of the wings. Are they a result of some new form of chakra? Or perhaps they are a gift from a mysterious entity. The fanfic might also delve into how the wings affect the character's relationships. For instance, do their friends become jealous of their new powers, or do they attract new allies who are interested in the wings' capabilities?
Another interesting aspect could be femto Naruto's impact on the ninja world. Since he would be different in this form, he might introduce new jutsu or ways of thinking. He could inspire younger ninjas to think outside the box and break traditional boundaries in their training and combat.