Relationships are often a theme. In a Kushina Uzumaki crossover with the Inuyasha world, she might form new friendships or rivalries. Another common theme is the struggle for survival. If she's in a world full of demons or zombies, she has to use her skills to stay alive. Also, the theme of discovery is prevalent. Discovering new places, new forms of magic or technology in the worlds she crosses into, like in a crossover with the Star Wars universe.
One great Kushina Uzumaki crossover fanfiction is 'Kushina in the World of Bleach'. It has an interesting plot where Kushina finds herself in the Bleach universe and has to adapt to the new spiritual powers and challenges there. Another one could be 'Kushina and the Avatar World' which combines the Naruto world with the Avatar universe in a really unique way, showing how Kushina's ninja skills interact with bending abilities.
One aspect to consider in Naruto and Kushina Uzumaki fanfiction is their relationship. Kushina was Naruto's mother. Fanfictions often explore how their bond could have been different if she had survived. For example, she could have taught Naruto more about the Uzumaki clan's secrets. This would have given Naruto an even greater power boost and a deeper understanding of his heritage.
Kushina Uzumaki is significant in Naruto fanfiction as she represents a link to Naruto's past. Her red hair and strong Uzumaki blood are often explored in fan stories. Writers may use her to introduce new plot elements related to the Uzumaki clan.
One idea could be a time - travel fanfiction. Naruto Uchiha (assuming it's an AU where Naruto has Uchiha heritage) somehow travels back in time and meets Kushina Uzumaki. They could form an unexpected friendship as he tries to protect her from the events that would lead to her death. He could also use his knowledge of the future to change things in the village for the better.
One of the main themes is love. Not just the mother - son love between Naruto and Kushina, but also how Kushina's love for Naruto can be a driving force in the story. For instance, in some fanfics, Kushina's love gives Naruto the strength to overcome great challenges. Also, the theme of sacrifice is common. Kushina sacrificed herself for Naruto, and fanfics often expand on this idea, showing how Naruto honors her sacrifice and what it means for his character development. In addition, there's often a theme of discovery, where Naruto discovers more about his mother and his own identity as an Uzumaki.
Kushina Uzumaki was known for her fiery red hair and strong will. She was a Jinchuriki, just like Naruto, which made her both powerful and a target. Her love for her family, especially Naruto, was unwavering. Even though she sacrificed herself early in Naruto's life, her influence on him was profound.
Yes, there are quite a few. You can start by looking on fanfiction websites like FanFiction.net or Archive of Our Own. Just search for 'Naruto Uchiha and Kushina Uzumaki love' in their search bars, and you'll find various stories exploring different aspects of their relationship, from sweet and innocent crushes to more complex emotional bonds.
One possible plot could be that Kushina Uzumaki, with her strong will and unique abilities from the Naruto universe, somehow crosses paths with Apollo from Greek mythology. Apollo, being the god of many things like music, prophecy, and the sun, could be intrigued by Kushina's fiery spirit. He might offer to help her with some power she has been struggling to control, and in the process, they develop a deep bond.