You could try 'The Hidden Hero: A Naruto in My Hero Academia World'. It's a great fanfic that combines the unique powers from My Hero Academia with the beloved characters of Naruto. The story has some really cool fight scenes and character interactions.
There could be a 'Naruto My Hero Fanfic' where the characters from My Hero Academia learn Naruto's chakra control techniques. They could then incorporate it into their own quirk training, leading to new and more powerful abilities. Imagine Deku using chakra to enhance his One For All even further.
First, you need to familiarize yourself with both Naruto and My Hero Academia universes. Know the characters, their abilities, and the overall settings. Then, come up with an interesting concept like what if Naruto was born in the My Hero Academia world? Or how would the My Hero Academia characters react to the Akatsuki?
One interesting crossover could be the characters swapping their powers. For example, Deku having Naruto's chakra and being able to perform jutsus. It would be really cool to see how he would use them in the My Hero Academia world. Another could be the heroes and ninjas teaming up to fight a common enemy. Maybe the League of Villains and some of the Akatsuki members joining forces, and then the heroes and ninjas having to combine their skills to defeat them.
Another interesting aspect is how the two different worlds' values collide. In Naruto, there is a strong emphasis on honor and loyalty among ninja clans. In My Hero Academia, it's more about being a hero for the public. When characters from both universes interact, they have to reconcile these different value systems, which makes for a deep and engaging fanfic.
One idea could be that the female Naruto Uzumaki has a quirk similar to her chakra control in the Naruto world. She could use it to perform amazing physical feats like super - speed and enhanced strength. She might join U.A. High School and form strong friendships with characters like Deku. Her spunky and determined personality would make her stand out among the other students.
One common theme is the exploration of different power systems. Since Naruto has its chakra-based powers and My Hero Academia has quirks, fanfics often explore how these two power systems interact when a female Naruto is involved. For instance, how her ninjutsu might be mistaken for a really powerful quirk.
Reddit can be a good source as well. There are subreddits dedicated to fanfiction where people share and discuss their favorite 'My Hero Naruto' fanfics. You might even find some that are not on the more popular fanfic sites.
There's also 'My Hero Academia: Naruto's New Adventure'. In this fanfic, Naruto finds himself in the My Hero Academia universe and has to adapt to the different rules there. He forms some unlikely friendships with the characters from My Hero Academia. For example, he teams up with Deku to face a powerful villain, and their combined skills make for an exciting read.
One possible plot could be that Naruto somehow gets transported to the world of My Hero Academia. He could be mistaken for a new type of Quirk user at first. Maybe he tries to understand their system of heroes and villains while also showing off his ninja skills, which would be really unique in that world. And he could end up teaming with some of the My Hero Academia characters to fight a common enemy that threatens both worlds.