One possible fanfiction could be about Yuma and Dark Mist forming an unexpected alliance. Maybe Dark Mist has some hidden motives that initially seem malicious but as the story progresses, it turns out he's actually trying to protect Yuma from a greater evil in the Zexal world.
A common theme is self - discovery. The OCs often start as unknowns in the Zexal world and through their dueling experiences, they learn more about themselves. Another theme is friendship. They form bonds with the existing characters like Yuma and his friends.
Another theme is friendship. When characters from different series meet, they usually form new friendships or strengthen existing ones. This is often shown through them working together in duels or facing challenges as a team. In a lot of these fanfictions, you'll see Zexal characters and characters from other Yu - Gi - Oh shows bonding over their shared love for dueling.
One possible plot could be that Naruto somehow gets transported to the Yu - Gi - Oh Zexal world. He might meet Yuma and his friends. Since Naruto is a ninja with unique skills like shadow clones, he could help Yuma in his duels. For example, Naruto could use his clones to distract opponents while Yuma figures out his strategy. Maybe they team up to face a common enemy who is causing chaos in both the ninja world and the Zexal world.
The Yu-Gi-Oh! Zexal manga and anime have their distinctions. Sometimes, the anime might expand on certain aspects or introduce new elements not present in the manga. Also, the character expressions and interactions might be portrayed differently.
One popular story might be 'A Barian's Heart'. It focuses on the complex relationships between the characters. It delves into how love can develop between a Zexal character and a Barian in a really engaging way.
Naruto would probably be very curious about the Yu - Gi - Oh Zexal world. He'd be excited to learn about the duels and the number cards. Yuma, on the other hand, would be amazed by Naruto's ninja abilities. They would likely start off as friends, with Naruto showing Yuma some basic ninja moves like tree climbing. Yuma would then show Naruto how to play a simple Yu - Gi - Oh Zexal duel.
Well, there's a fanfiction where the OC is a transfer student in Heartland and has a special ability related to Xyz Monsters. It's really engaging as it shows how the OC interacts with the main characters from the Zexal series. Also, there are some fanfictions that focus on an OC who is trying to uncover the secrets of the Numeron Code in a really creative way, adding new layers to the Zexal lore.
One popular 'yu gi oh zexal crossover fanfiction' is 'Zexal Meets the Past'. It has an interesting plot where characters from Zexal interact with classic Yu - Gi - Oh characters in a unique tournament setting.
As a fan of online novels, I have never come into contact with any information about Yu-Gi-Oh novels. If you have any other questions about Yu-Gi-Oh, I'll try my best to answer them.