Another possibility is that they get involved in a mystery. For example, there could be a series of strange events happening in a village, and Naruto and Momo Hanakai are the ones to figure it out. Along the way, they discover things about each other's pasts that they didn't know before, which deepens their bond and understanding of one another.
The main characters are Naruto and Momo Hanakai.
One possible plot could be that Izuku and Momo face the challenges of balancing their hero work with their married life. They might have to deal with villains targeting their relationship or their combined strength. For example, a new villain might emerge who is jealous of their power couple status and tries to create rifts between them. They would then have to rely on their love and trust for each other to overcome these obstacles.
Maybe it could be about their adventures together in a hero training academy. They might face challenges and use their unique quirks to overcome them.
Well, it could be that Momo is transported to the Naruto world. She would be a bit out of place at first with her different abilities. But she quickly learns about chakra and how to use it in her own way. Maybe she creates some unique ninja tools with her quirk that help Naruto and his friends in a battle against a powerful enemy.
Well, it might start with how they discovered the pregnancy. It could be a big surprise for both Izuku and Momo. Then they would need to start making plans for the future. They could struggle with things like finding a suitable place to live as a family and getting the necessary support. And there would be a lot of character development as they grow into their new roles as parents - to - be.
In a 'naruto x leela fanfiction', it could be that there is a threat that endangers both their worlds. Naruto and Leela are brought together by some sort of prophecy. As they work together, they also have cultural exchanges. Naruto is fascinated by Leela's Futurama - like world with its strange creatures and advanced tech, while Leela is intrigued by Naruto's ninja village and the concept of chakra.
One possible plot for a 'naruto x ashley fanfiction' could be that Ashley is a lost traveler in the Naruto universe. Naruto finds her and decides to help her find her way back home. Along the way, they face various challenges like battling rogue ninjas. As they overcome these challenges, they develop a deep bond. Ashley also starts to understand the ways of the ninja and Naruto is exposed to new ideas from Ashley's world.
Well, one possible plot could be that Naruto, while on one of his travels, stumbles upon a strange dimension where he meets Astolfo. Astolfo's unique abilities and Naruto's ninja skills could combine in some crazy adventures. They might have to fight against a common enemy that threatens both their worlds. Maybe they start off as strangers but gradually become friends as they learn from each other's strengths.
Well, it could be that Naruto is on a mission and accidentally stumbles into Persephone's domain. At first, they might be at odds, as they come from very different worlds. But then, as they get to know each other, they find common ground in their experiences of being in situations they didn't fully choose. Naruto could teach Persephone about the power of friendship, and she could teach him about the mysteries of the underworld.
Well, one possible plot could be that Naruto somehow gets transported to the Mario universe where he meets Rosalina. They could start off as strangers, but then Naruto's determination and kindness draw Rosalina's interest. Maybe they team up to face a common threat that is endangering both the ninja world and the Mario universe.