One idea could be that a character from Naruto, like Naruto himself, gets transported into the world of Yu - Gi - Oh! VRAINS. He could learn about the Duel Monsters and Link VRAINS technology. Maybe he would start dueling using his ninja skills in a unique way, for example, using his shadow clone jutsu to create multiple copies of himself during a duel to confuse his opponent.
One possibility could be a story where Pokemon trainers enter the Vrains world of Yu - Gi - Oh. They might have to adapt their Pokemon battling skills to the digital dueling format. For example, Pikachu's electric attacks could be translated into some kind of digital energy in the Vrains world.
Dialogue is important too. Make the characters talk in a way that's true to their original personalities. If Naruto is in Yu - Gi - Oh! VRAINS, he should still be enthusiastic and a bit of a goofball, but also show his growth as he faces new challenges. And when writing duels or battles, describe them vividly. Whether it's a ninja battle or a duel, the reader should be able to picture it clearly in their mind. Use lots of action verbs and sensory details to bring the scenes to life.
First, think about the characters. Combine the unique traits of Pokemon trainers and Yu - Gi - Oh duelists. For instance, Ash's determination in Pokemon and Yusaku's hacking skills in Yu - Gi - Oh Vrains. Then, create a conflict that involves both worlds, like a villain who wants to use Pokemon and Yu - Gi - Oh cards for evil. This will draw in fans from both franchises.
One idea could be an OC who is a master of a new and unique deck strategy. For example, a deck based on virtual cyber - animals that have special abilities when combined in certain ways. Another idea is an OC who is a hacker in the VRAINS world but uses their skills for good, like protecting the weak duelists from malicious programs. And also, an OC could be a duelist who has a special connection with an AI and they work together to win duels in the VRAINS.
Definitely. Yu-Gi-Oh began as a manga series and its success led to the creation of other related media such as the anime and the card game. The manga laid the foundation for the entire franchise.