Yes, there are some. You can check fanfiction websites like Archive of Our Own. Just search for 'naruto x nezuko' in their search bar, and you'll likely find a variety of stories written by different authors with different takes on this crossover.
One common theme is the clash of their different worlds. Naruto's ninja world and Nezuko's demon - slaying world can create interesting scenarios. Another could be the idea of them protecting each other despite their differences.
Protection is a common theme. Tanjiro is always looking out for Nezuko, whether it's from other demons or humans who fear her. Another theme is loyalty. Nezuko's loyalty to Tanjiro is unshakable and this is often explored in fanfics.
One popular 'zenitsu x nezuko fanfic' is 'The Unlikely Bond'. It beautifully portrays the relationship between Zenitsu and Nezuko. The author does a great job of showing Zenitsu's protective nature towards Nezuko and how Nezuko's presence calms Zenitsu in his often-fearful state.
Another interesting part is the character interaction. Naruto is a very energetic and determined character, while Nezuko is more of a silent but strong presence. Their different personalities can lead to some really unique and engaging dialogues and moments in the fanfic. For example, Naruto might be all about charging into a fight, while Nezuko's more calculated approach could either clash or complement his style, making for great reading.
Well, a lot of it has to do with the potential for character development. In the original story, their interactions are limited, but in fanfics, authors can explore how they would grow closer and influence each other. For example, Zenitsu could become more confident because of Nezuko, and Nezuko could learn more about the human side of relationships through Zenitsu. It's also about the fans' love for the two characters and their desire to see them in different scenarios together.
A really cool Naruto and Nezuko fanfic is 'When Naruto Meets Nezuko'. This story starts with Naruto being transported to the Demon Slayer world. He quickly meets Nezuko and they start an adventure to find a way to send Naruto back home while also helping Nezuko in her fight against demons. The fanfic has great character development and some really exciting action scenes.
Well, 'The Love of Nezuko and Tanjiro' is quite popular too. It shows their relationship in a more romantic light while still staying true to the original themes of the series. It has some really heart - warming scenes where they rely on each other, and it gives readers a different perspective on their bond.
In some fanfictions, a crossover like this could lead to a romantic relationship between Naruto and Nezuko. However, this would be a very different kind of relationship as they come from such distinct backgrounds. Their relationship could be a slow - burn one, starting from mutual respect and growing into love as they face various challenges together.
One common theme is protection. Since Nezuko is a demon and Zenitsu is a demon slayer, there are often stories about Zenitsu vowing to protect Nezuko from other demon slayers or more dangerous demons. Another theme is friendship. They develop a unique bond in the original story, and fanfics often explore that further, like how they support each other through tough times. And of course, there can be a bit of a romantic undertone in some fanfics as well.