I'm not entirely sure if it's a popular genre. Fanfiction can cover a vast range of themes, and while there may be some works with such themes, it might not be mainstream. The Black Clover fanfiction community has a lot of different types of stories, from adventure and friendship to power - up scenarios.
Another interesting crossover could be with One Piece. The Straw Hat Pirates and the Black Clover crew could meet on an island full of strange and powerful magic. Luffy's stretching abilities and his fearless leadership could interact with Asta's determination and anti - magic powers, creating some really exciting and unpredictable storylines.
They could be in a situation where they are accidentally transported to a different dimension. In this new world, they have to rely on each other's skills and the magic they possess. Noelle's water - based magic and Vanessa's thread magic could combine in unexpected ways to help them survive and find a way back home.
One possible fanfic could be about Noelle and Vanessa going on a magical adventure together. They might discover a new spell or a hidden part of the Clover Kingdom. Maybe they have to work together to defeat a powerful enemy that neither could face alone.
Definitely not. Fanfic should be a creative way to expand on a story's world, characters, and themes in a positive and respectful way. Sexual fanfic related to 'Black Clover' goes against the spirit of the original work and can be considered unethical.
A popular 'Black Clover Noelle Fanfic' is 'Noelle's New Allies'. It shows Noelle forming unexpected alliances within the Clover Kingdom. The interactions between her and the new characters are well - written. As for finding more, you can check out fanfic platforms like Archive of Our Own. There are often many hidden gems among the numerous fanfics available there.
One possible fanfic could be about Noelle and Vanessa training together. They start off as just comrades in the Black Bulls, but as they train, they discover they have a lot in common. They both have their own insecurities and strengths. Vanessa might teach Noelle some of her more unorthodox magic techniques, and Noelle could show Vanessa her determination to improve. This could lead to a deeper bond between them as they grow to respect and admire each other more.
First, decide which other universe you want to cross over with. Then, research both the Black Clover world and the other world's lore, characters, and powers. For example, if it's a crossover with Bleach, understand the Soul Reapers' abilities and the hierarchy in the Soul Society, as well as the Magic Knights' ranks and magic types in Black Clover. After that, come up with a basic plot. It could be a simple adventure where the characters from both worlds have to retrieve a powerful artifact that has been lost between their dimensions.
Maybe Zora gets transported to a world where magic is used in a more primitive way. He meets a group of young mages who are struggling against an oppressive regime. Zora decides to help them, teaching them his unorthodox ways of using magic. His ability to create traps using his smoke magic could be a great asset. As they fight together, Zora also learns about their culture and magic, which in turn helps him grow as a mage. Eventually, they overthrow the regime and Zora finds a way to return to his own world, but not before leaving a lasting impact on the new world he visited.