One possible fanfiction could involve Naruto being transported to the Dragon Ball universe where he meets Female Majin Buu. Maybe they start as adversaries at first. Naruto, with his ninja skills, tries to fight her. But then they realize they have some common ground in their love for food. And they could end up teaming up against a greater threat in the Dragon Ball world.
Majin Buu was created by the wizard Bibidi. Bibidi was an evil being who made Majin Buu as a weapon of destruction. Majin Buu was originally a pure and innocent being, but Bibidi's evil influence turned him into a rampaging monster.
Well, it could be about Naruto having the unique powers of Majin Buu. Maybe he'd have the ability to regenerate like Buu. And his personality might change a bit, being more unpredictable. He could use Buu's techniques in battles against his enemies in the Naruto world.
In a fanfiction where Naruto fuses with Majin Buu, there could be some really wild power combinations. Naruto's chakra and Buu's unique abilities like regeneration and absorption might create a super - powerful being. For example, Naruto could potentially use his Rasengan with Buu's stretchy body to create new and unpredictable attacks.
Another concept could be that a part of Majin Buu's essence gets mixed with Naruto's chakra during an experiment gone wrong. Naruto now has to control this new power within him while also keeping his own identity, all the while dealing with the suspicion of his friends and the potential danger it poses to the village.
Majin Buu could be a chaotic antagonist. His unpredictable nature and immense power would make him a formidable foe for Naruto and his friends. He might start randomly causing destruction in the ninja world, and the characters would have to find a way to stop him.
Well, in a fanfiction where Naruto becomes Majin Buu, the world of Naruto would be in chaos. The shinobi villages would be extremely scared of him. Naruto, as Majin Buu, could potentially use his new form to try and bring about a new order. Maybe he'd see the cycle of hatred in the ninja world differently and try to end it in a more forceful way that Buu - like. For example, he could absorb the leaders of the villages who oppose peace and then force the remaining ninja to cooperate.
His usual friends like Sasuke and Sakura could still be his allies. Despite his new connection to Majin Buu, they might stand by him because of their long - standing friendship. Kakashi too could be an ally, guiding Naruto as he did before, but now also helping him understand and control his Buu - like powers.
One interesting plot could be a character who has the Majin Buu bloodline being transported to the Naruto universe. This character might initially struggle to control their unique powers, which are a combination of Majin Buu's abilities like regeneration and the ability to turn things into candy, and the chakra - based powers in Naruto. For example, they could accidentally turn a ninja's weapon into candy during a fight, creating a chaotic and humorous situation. Then, they would have to learn to harness their powers properly to fit into this new world and perhaps use their powers to help the ninja villages against a common enemy.
If Naruto fused with Majin Buu in fanfiction, the story might start with the fusion's initial confusion about its new powers and identity. As it tries to figure things out, it could attract the attention of various villains who see it as a threat or an opportunity. The story could then be about the fusion's journey to master its powers and find its place in the world while dealing with these antagonists.