A more complex plot could be that Beerus discovers a prophecy that involves Bulma in some way, like she is the key to preventing a great evil in the universe. So, he has to protect her while also dealing with her strong - willed and independent nature, which constantly challenges his authority.
One idea could be that Beerus is intrigued by Bulma's intelligence and her ability to create amazing inventions. He might start visiting her more often, causing some comical misunderstandings among the Z - fighters. For example, Vegeta could get jealous of their interactions.
Maybe there's a plot where Beerus has a premonition about a threat to the universe that only Bulma's technology can help prevent. So, he has to team up with her. Along the way, they learn more about each other's worlds. Bulma gets to understand the power and responsibilities of a god like Beerus, and Beerus discovers the amazing potential of Earthling technology. This could lead to a deeper friendship or mutual respect between them.
One plot idea could be that Vampire Vegeta has to protect Bulma from other vampires who see her as a valuable asset due to her intelligence. He struggles with his vampiric instincts while growing closer to her.
One idea could be a story where Bulma creates a new device that accidentally sends Goku and her to a parallel universe. There, they have to work together to find a way back home while facing new and strange enemies. Another could be a time - travel plot where they go back in time to before Goku met Chi - Chi and Bulma realizes she has feelings for him. The third idea is a story where Goku and Bulma get trapped on a deserted planet and must rely on each other's skills to survive and escape.
One plot idea could be that Bulma creates a special device that can transport Naruto to the Dragon Ball universe. There, Naruto has to learn to use ki instead of chakra and teams up with Bulma to stop a new threat that is endangering both universes. Another idea is that Bulma discovers a way to combine the technology of her world with the ninja techniques of Naruto's world. This could lead to some really cool inventions and battles. A third plot could involve Bulma accidentally getting sent to the Naruto universe and Naruto has to protect her while she tries to find a way back home. Along the way, Bulma could introduce some of her scientific knowledge to the ninja world, which would change things in unexpected ways.
One idea could be a crossover with the Marvel Universe. Beerus could visit Asgard and have an encounter with Thor. Maybe they have a friendly competition over who is stronger in terms of combat skills or who can handle more powerful magical items. Another could be a crossover with the Harry Potter world. Beerus might be intrigued by the magic there and get involved in a battle against Voldemort, using his godly powers in a completely different magical setting.
A great plot could be that Vegeta and Bulma go on a journey together to a new planet. On this journey, they face various challenges like harsh environments and strange creatures. Through these shared experiences, they start to see each other in a new light. Vegeta could show his vulnerable side to Bulma when he gets injured protecting her, and Bulma could use her intelligence to save them both from a dangerous situation, leading to their relationship deepening.
Perhaps a plot where Bulma creates a new invention that goes wrong and accidentally gives Vegeta some strange powers. They then have to figure out how to reverse it while also dealing with their feelings for each other. It could involve some comical situations as Vegeta tries to control these new powers and Bulma tries to help him, all while their love story unfolds.
Perhaps a fanfiction where Bulma, out of curiosity, tries to understand the cultural and biological importance of Vegeta's tail. She starts documenting it, and Vegeta is initially hesitant but then realizes it's a way for her to get closer to his Saiyan heritage. This could lead to some really sweet and funny moments between them as she asks all sorts of questions about it and he tries to answer them in his gruff way.
Perhaps the fanfiction could focus on how the baby's Saiyan heritage affects its growth and development. For example, it might have a very strong appetite like Vegeta, or it could show signs of intense determination early on. Also, it could be interesting to write about how Bulma uses her scientific knowledge to ensure the baby's well - being while also dealing with Vegeta's Saiyan parenting ideas.
Well, a story could be set during a time when Bulma is pregnant with their second child. She's having a difficult pregnancy, and Vegeta has to learn to be more supportive and understanding. This could lead to some really sweet and also some tense moments between them. They could also have an adventure together during this time, like trying to find a special herb on a far - off planet that's supposed to help with the pregnancy.