Another theme is the clash of cultures. Bayonetta comes from a very different world compared to Naruto's. So in fanfiction, there can be a lot of exploration about how their two worlds' cultures interact. This could involve things like how Bayonetta reacts to the ninja villages, or how Naruto and his friends view Bayonetta's more modern - looking (compared to their world) appearance and technology.
One idea could be a crossover where Naruto's world is invaded by some of Bayonetta's demonic foes. Naruto and his friends have to learn new ways to fight, perhaps using some of Bayonetta's combat techniques. Another could be a story where Bayonetta ends up in the Naruto universe and teams up with Naruto to take on a common enemy that threatens both their worlds. She might introduce her unique style of magic and combat to the shinobi world.
The most interesting element is the combination of different power systems. Naruto has his chakra - based ninja abilities like rasengan, while Bayonetta has her guns and witch powers. When these are combined in a fanfiction, it creates really exciting fight scenes. For example, imagine Naruto using his shadow clones while Bayonetta is summoning demons and they are fighting a common foe together.
One option could be Kaguya from the Naruto universe. Her god - like powers would pose a great threat to Bayonetta. She could be trying to expand her influence into Bayonetta's world, seeing it as a new place to conquer.
Another idea is that Bayonetta somehow ends up in the Naruto universe. She might be mistaken for a powerful ninja at first. Then she could start teaching some of the ninja new combat techniques inspired by her own moves, while also learning about chakra and how it differs from her own power source.
A plot might involve Naruto being sent to Bayonetta's world. He'd be out of his element, but his determination would shine through. Bayonetta could mistake him for a strange demon at first. However, they soon realize they can help each other. Naruto's chakra could interact in unexpected ways with Bayonetta's magic. Together, they could face off against Bayonetta's foes, like the angels, with Naruto's Rasengan combined with Bayonetta's Witch Time abilities making for some epic battles.
Well, you could try Reddit as well. There are subreddits dedicated to fanfiction and crossovers. For example, r/FanFiction might have some Naruto and Bayonetta crossovers that are not lemon. Just make sure to read the descriptions or user comments to ensure it's the type of content you're looking for. Sometimes people will mention if a story contains adult - like themes or not in the comments section.
Another place to check is Archive of Our Own (AO3). Some fanfic writers like to explore how Bayonetta's unique powers would interact with the ninja abilities in Naruto. For example, a story might have Bayonetta teaching Naruto some of her combat techniques, which could be really interesting to read as it combines two very different fighting styles.
Well, it could be a story of two very different cultures coming together. Naruto is from a world of ninjas, clans, and chakra, while Bayonetta is from a more magical and dark - themed world. Their relationship could start as a bit of a clash due to their different ways of life, but then they gradually learn to understand and love each other. For example, Naruto could teach Bayonetta about the importance of friendship and loyalty in his ninja world, and Bayonetta could show Naruto the power of her magic and her more flamboyant style of fighting.
Definitely Naruto and Bayonetta. Naruto's never - give - up attitude and his growth from an outcast to a hero can be a great foil to Bayonetta's already established badassery. Another pair could be Kakashi from Naruto and Bayonetta. Kakashi's intelligence and experience combined with Bayonetta's raw power could lead to some exciting adventures in fanfiction. Plus, his Sharingan might have some interesting interactions with Bayonetta's magic.