One idea could be a story where Samus gets lost in Zelda's world and Zelda helps her find her way back home. Along the way, they discover new places and secrets in Zelda's world. Another could be that they are both summoned to a mysterious realm and have to work together to escape. They use their different abilities, like Samus' combat skills and Zelda's magic, to overcome obstacles.
A third plot could be that there is a tournament in a crossover universe where the best warriors from different dimensions are invited. Samus and Snake both enter, thinking they are the best in their own right. Initially, they are competitors, trying to outdo each other in the various challenges of the tournament. But as they face tougher opponents together, they realize that by teaming up, they have a better chance of winning. So they form an alliance and in the process, they develop a mutual admiration for each other's combat styles and strategic thinking.
One idea could be that the male reader is a scientist who helps Samus understand some ancient technology she discovers during her adventures. Their relationship could start as a professional one and gradually develop into a deeper friendship or even a romantic relationship as they face various challenges together.
There could be a plot where Samus is sent to the Zelda universe to investigate some strange energy readings. There, she meets Link, and they initially distrust each other. But as they face various challenges together, like fighting off hordes of monsters and solving ancient puzzles, they grow closer. Another idea is that a group of interdimensional thieves steal something important from both Link and Samus. So, they have to work together to track down these thieves across different dimensions.
Yes, there are many. You can look for fan - created stories on platforms like FanFiction.net or Archive of Our Own. These platforms have a wide variety of fanfics that focus on the adventures, friendships, or crossovers between Samus and Zelda in a non - adult and family - friendly way. For example, some might explore how they would team up to fight a common enemy in their respective game universes.
A plot idea could be that Naruto and Karin are paired up for a special training mission. During this mission, they have to learn a new jutsu together. As they practice, they face difficulties and have to rely on each other's strengths. Karin's knowledge of chakra and Naruto's determination combine to help them succeed in mastering the jutsu, and in the process, they become good friends.
Well, for a Naruto and Samus fanfiction, perhaps a plot where Naruto is on a mission in an unknown realm and he meets Samus. They initially don't trust each other but soon realize they share a common goal of stopping a powerful, dark force that is spreading chaos in that realm. Or, Samus could be in search of a powerful energy source which she discovers is related to chakra in the Naruto world. And then there's the idea of a training arc where Samus teaches Naruto some of her combat skills and Naruto teaches her about ninjutsu.
One idea could be that Ash discovers a rare and powerful Pokemon that has been injured. He takes it upon himself to nurse it back to health. During this time, they form a deep bond based on trust and mutual respect. The Pokemon then decides to join Ash on his journey, and they face many challenges together, learning new moves and strategies along the way.
A third plot idea is a body - swap situation. Due to some magical mishap, Naraku and Kagome swap bodies. They are forced to live in each other's shoes for a while. Naraku, in Kagome's body, has to deal with her family and friends, and Kagome, in Naraku's body, has to face his minions and the other demons. This situation makes them understand each other better. As they try to find a way to reverse the spell, they start to see each other in a new light and develop feelings that were not there before.
A plot could revolve around Orihime getting lost in Hueco Mundo and Grimmjow being the one to find her. Instead of harming her as he might have in the original story, he decides to help her find her way back. Along the way, they start to see each other in a new light and form a bond based on mutual respect and friendship. Or perhaps they both end up in a strange dimension where they have to rely on each other's skills to survive and escape, and this experience changes their relationship for the better.
A third plot idea is that the reader is a new inhabitant in the Underground and they accidentally stumble upon Mettaton's secret rehearsal space. Mettaton is initially angry but then realizes the reader has some unique ideas for his show. So they start working together to improve his act. This could involve the reader teaching Mettaton some new moves or concepts from the human world that he hadn't thought of before.