A third concept could be a shared adventure. Imagine the Equestria Girls and Naruto characters teaming up to face a common enemy. This enemy could be a powerful dark force that combines the threats of Naruto's world, like powerful ninja villains, with the dark magic threats from Equestria. They would have to use their combined skills and knowledge to overcome this great danger.
One interesting concept could be a crossover of abilities. For example, Naruto's ninjutsu skills combined with the magic from Equestria Girls. Maybe Naruto could learn to use some pony magic in the fanfiction world, or the Equestria Girls characters could gain some ninja-like speed and stealth.
Another concept might be character interactions. Picture Naruto interacting with Twilight Sparkle. They are both leaders in their own ways. Naruto could teach Twilight about the importance of physical combat and determination, while Twilight could introduce Naruto to the world of magic study and friendship lessons. It would be really cool to see how their different personalities and values clash or blend together.
One interesting concept could be the fusion of the Kingdom Hearts' unique magic system with the colorful world of Equestria Girls. For example, keyblades might have new forms inspired by Equestrian elements like ponies or the magic of friendship. Another concept could be the crossovers of characters. Characters from Kingdom Hearts might interact with the Equestria Girls in unexpected ways, leading to new friendships or rivalries. Also, the exploration of different worlds within this fanfiction can be exciting. Worlds could combine features from both franchises, creating a whole new and immersive experience for the readers.
One interesting concept could be the role - reversal of the characters' personalities. For example, a usually shy character becomes bold and confident. Another concept might be the swap of their magical abilities or talents. It can lead to really unique storylines where characters have to adapt to new powers. Also, the change in relationships between characters can be fascinating. Characters who were friends might now have a different dynamic due to the swap, like becoming rivals or having a more mentor - mentee type of relationship.
Well, one interesting concept could be the unique relationships that humans form with the equestrian characters. It might explore how a human adapts to the magical and different social structures in Equestria.
One interesting story could be about a new student in Canterlot High who discovers she has a special power related to the Equestrian magic. This power helps her and her friends solve a mystery in the school.
A cool fanfiction concept could be a crossover tournament. Ben 10 brings some of his alien allies, and the Equestria Girls bring their friends from Canterlot High. They compete in a series of challenges that test both strength and magic. Each team has to learn from the other's abilities and work together at times. This could lead to some interesting friendships and rivalries between the characters from the two different universes.
One interesting story could be about Sonic somehow getting transported to the Equestria Girls' world and having to team up with the girls to stop a new villain. Maybe he uses his speed to outwit the bad guy while the girls use their magic and friendship powers.
One idea could be a crossover with another popular animated series like Steven Universe. The characters from Equestria Girls could visit Beach City and interact with the Crystal Gems. For example, Twilight Sparkle might be intrigued by Garnet's future vision ability and they could have a discussion about the nature of time and knowledge.
There could be a story where the characters in Equestria Girls participate in a futa - related competition. This could show their growth, teamwork, and how they handle the pressure of the competition while exploring the unique elements of the futa concept.
Another idea for a fanfiction could be a crossover of the training systems. Naruto could introduce his intense ninja training to the ponies in Equestria. The ponies, in turn, show Naruto how their magic works in more detail. This could lead to some really fun and unique character development as they learn from each other.
One interesting plot point could be the culture shock the Equestria Girls experience when they first arrive in Equestria. They might be amazed by the magic that is so commonplace there but strange to them. Another could be their interactions with the ponies. For example, they might have to learn new ways of communication and social norms.