They interact in a very interesting way. Naruto, being his energetic self, might be excited about all the new things in the modern world and constantly share his enthusiasm with Kushina. Kushina, as a mother, would be both amused and a bit worried, trying to keep Naruto in check while also enjoying his new - found joy. They could have simple conversations over a meal at a modern - style diner, for example.
One common theme is family. Since Kushina is Naruto's mother, stories often explore their family dynamic in a modern context. Another theme is adaptation. They are from a ninja world and now in a modern world, so how they adapt to things like technology and modern social norms.
Jiraiya could also be one of the main characters. He was Naruto's mentor and had a connection with Kushina's family. He could play a role in helping them adjust to the time travel and also use their knowledge to his advantage in some ways, like getting intel on future threats.
In fanfiction, Kushina might also interact with baby Naruto in a protective way when facing potential danger. Imagine a situation where some rogue ninjas are after Naruto for some reason. Kushina would put herself in front of Naruto without hesitation, using her chakra chains to fend off the attackers. And after the danger has passed, she would comfort Naruto, telling him that he is safe now and that she will always protect him.
Naruto would probably be in awe of them at first. He would be eager to learn from them, especially about the Uzumaki clan. He might ask Kushina about his father and her life in the village before he was born. With Mito, he could learn about the origins of the Uzumaki - Senju alliance.
Well, in Naruto and Kushina modern fanfictions, a common theme could be family bonds. Since Kushina is Naruto's mother, exploring their relationship in a modern setting can be really interesting. It might also involve themes of self - discovery for Naruto, as he navigates a world different from the ninja one. Another theme could be the power of love and how it shapes their lives even in a modern context.
Naruto might be really excited to meet Erza and show off his ninja skills. Kushina could be a bit more cautious, but she'd also be curious. Erza would probably be impressed by Naruto's determination, similar to her own. They could start by sharing stories about their respective worlds, like Naruto talking about his training with Jiraiya and Erza about her time in the Fairy Tail guild. Kushina could chime in with her own experiences in the Hidden Leaf village.
One idea could be that in the modern world, Naruto discovers he has a special power related to his Uzumaki heritage which he has to keep secret. And Kushina, his mother, appears to him in a dream and gives him advice on how to handle it. This could add a supernatural and emotional touch to the modern setting.
One popular 'naruto kushina modern fanfiction' is 'A Modern Day Uzumaki'. It reimagines Naruto and Kushina in a modern world where they face different challenges like high school drama and family secrets. Another is 'Modern Kushina's Adventure' which focuses on Kushina adapting to modern technology while still having her ninja skills.
She could also be developed in relation to the Dark Puppeteer's backstory. Maybe there was a past encounter between them that was never fully resolved. This would add depth to her character as Naruto uncovers more about her past and how it relates to the current threat.
In a modern AU, Naruto's family might be really energetic and into sports, while Konan's family could be more artsy. Their families could interact at school events. For example, Naruto's son and Konan's daughter could be in the same school play. Naruto's family would be cheering loudly in the audience, while Konan's family would be more quietly supportive but also giving great advice on the art aspect.