One idea could be that Naruto somehow gets transported to Arlen in the King of the Hill universe. He might be really confused by the suburban life there. Maybe he tries to use his ninja skills to help Hank Hill with his propane business, like using his speed to make deliveries faster.
It could be about Naruto characters in a 'King of the Hill' - like scenario. Maybe Naruto is competing to be the king of a hill in the ninja world, with different battles and challenges against his friends or foes.
Naruto and Hank Hill could be an interesting pairing. Naruto's energetic and positive nature could contrast with Hank's more down - to - earth and sometimes grumpy personality. They could learn a lot from each other, like Naruto learning about propane from Hank and Hank learning about perseverance from Naruto.
In this 'naruto king of the hill fanfiction', Naruto is bound to be a main character. But we could also expect to see other key characters from the Naruto series. Characters like Shikamaru, who is known for his intelligence, might be involved in devising strategies for Naruto or competing against him. Hinata, who has a special relationship with Naruto, could also be part of the story, perhaps cheering Naruto on or even participating in her own way to support him in becoming the 'king of the hill'.
It could be about a multiverse - related plot. Maybe a rift in the fabric of different universes brings Naruto and Maria Hill together. They then have to team up to close this rift while also learning about each other's worlds and abilities.
One possible plot could be that Naruto and his friends somehow get transported to Silent Hill. Naruto, with his determination and positive energy, has to face the nightmarish creatures of Silent Hill while trying to find a way back home. His ninja skills like shadow clones could be used in unique ways, for example, sending clones to scout the fog - filled streets while he stays with his friends to protect them. And perhaps they meet some of the iconic characters from Silent Hill, and together they try to figure out the mystery of the town and how to escape it.
You could also search on Tumblr. There are a lot of fanfiction enthusiasts on there who might have either written or reblogged a Naruto x Agent Maria Hill fanfiction. Just be sure to use the right tags when searching to narrow down the results.
Family is a very common theme. Just like in the show, fanfictions often explore the relationships within the Hill family, like Hank's attempts to raise Bobby in a traditional way. Another common theme is small - town life in Arlen. Writers like to delve into the quirks of the town and its residents.
I'm not sure specifically as 'adult fanfiction' often contains inappropriate content which I can't promote. But generally, 'King of the Hill' is a popular show. Fanfiction related to it usually involves fans creating their own stories based on the show's characters and settings in a non - official capacity.
One possible plot could be that Naruto somehow ends up in the world of 'King of the Hill'. He might use his ninja skills to help out the Hill family. For example, he could use his shadow clone jutsu to get all of Hank's lawn mowing jobs done in a flash. Maybe he'd also get into some comical misunderstandings with the local characters because of his strange appearance and abilities.