Well, it could be that Shark gets caught in a parallel dimension where his personality is altered. He becomes more aggressive and starts to push Yuma away. However, Yuma refuses to give up on him because of their special lemon - flavored relationship (in a non - sexual but very intense emotional way). Yuma then has to go through a series of challenges in this dimension to bring Shark back to his normal self and in the process, their relationship deepens even more.
Maybe the plot twist is that a new enemy appears and uses some sort of dark magic to make Shark and Yuma forget their friendship. But the lemon - like bond between them, which could be a strong emotional and maybe even a budding romantic connection, somehow manages to break through the spell. It could lead to a situation where they have to work together to defeat the enemy while also rediscovering their feelings for each other.
One possible plot twist could be that Shark, who is usually seen as a tough and independent character, reveals a deep - seated fear that only Yuma can help him overcome. This fear could be related to his past or some hidden power within the world of Yu - Gi - Oh Zexal. As for the lemon aspect, perhaps their relationship takes an unexpected romantic turn during this time of vulnerability, with some tender and slightly steamy moments.
A simple plot could be that Yuma and Tori are exploring an ancient temple together. As they are about to be attacked by some sort of trap, Yuma quickly kisses Tori, believing it might be his last chance. This kiss then gives them a sudden burst of energy or a new power that allows them to escape the danger.
They could start as childhood friends who slowly fall in love. For instance, as they grow up in Heartland City, they share many experiences like going to school together and learning about dueling. One day, Yuma might get into a really tough duel and is on the verge of losing. Tori's unwavering belief in him gives him the strength to turn the duel around. This moment could be the spark that makes them realize their love for each other.
Maybe the reason for Yuma's kidnapping is not what it seems at first. Instead of being for his dueling abilities, it's because he has a hidden power that he's not even aware of. This power could be the key to saving or destroying the world of Zexal, and the kidnappers want to control it.
Imagine they are in a space - themed setting. They could be on a spaceship exploring the galaxy. Shark and Yuma would be alone most of the time, just the two of them against the vastness of space. This isolation could make their lemon relationship intensify. They might have to deal with some space - related problems together, like fixing the ship or avoiding asteroids, and during these tense moments, their bond would grow stronger and their relationship would become more romantic.
Well, in some fanfictions, their kiss might be a more impulsive act. For example, Yuma could be trying to prove a point to someone else, like a rival who doubts his feelings for Tori. So, he just goes for it and kisses her right there, which then leads to a whole new set of emotions and relationship developments for them both.
One possible fanfiction could involve Yuma being kidnapped by an unknown group who are after his powerful Xyz Monsters. They might hold him captive in an abandoned warehouse and try to force him to give up his deck. But Yuma, being the brave duelist he is, uses his wits and the bond with his Astral to find a way to escape and turn the tables on his captors.
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.
One possible fanfiction could be that Yuma and Tori start off as friends. As they go on more adventures in the Yu - Gi - Oh Zexal world, they gradually realize their feelings for each other. For example, during a tough duel, Tori's words of encouragement make Yuma see her in a new light. They might then have some sweet moments together, like sharing a meal after a victory and realizing that their bond is more than just friendship.
In a fanfiction, their marriage could be a grand affair that unites the different factions in the Yu - Gi - Oh Zexal universe. Yuma and Tori could use their union as a symbol of peace. They might exchange vows that are inspired by their dueling experiences, like promising to always support each other in battles and in life, and their wedding could be a celebration filled with duels, music, and lots of love.
First, focus on their unique relationship. Astral is an otherworldly being and Yuma is a passionate duelist. Show how they learn from each other. For example, Yuma can teach Astral about human emotions, while Astral can teach Yuma advanced dueling strategies. Second, create exciting duels. Describe the cards in detail, the strategies used, and the tense moments during the duel. Third, introduce new elements like a mysterious new card set or a hidden dueling technique.