Well, it could be that Naruto and Kushina reunite in a sort of spiritual realm. Kushina might teach Naruto some new jutsu that only she knew. And they could bond over stories of the Uzumaki clan, which Naruto doesn't know much about. Also, Kushina might give Naruto some advice on how to handle his relationships better, especially with Hinata.
In this fanfiction, Naruto might finally get the motherly love he always craved. Kushina could share her unfulfilled dreams for Naruto, like seeing him grow up without the pain of being an orphan. They would probably have an emotional conversation about Naruto's father too.
A great scenario in this fanfic could be that Kushina helps Naruto unlock some new hidden power. Since she was also a jinchuriki, she has unique knowledge. They could bond over their shared experiences with the Nine - Tails. Also, Kushina could play a role in mending any remaining family - related issues Naruto has, like making him feel more connected to his Uzumaki heritage.
There could be a scenario where Kushina comes back to life somehow in the fanfiction. She might then play matchmaker between Naruto and Hinata, using her knowledge of Naruto to help Hinata understand him better. For example, she could share stories of Naruto's childhood that would make Hinata feel closer to him.
One possibility in such a fanfiction scenario is that Kushina's own chakra, which was already special as an Uzumaki, could have an impact on Naruto while he's sealed within her. It could either strengthen him in some ways or cause unforeseen consequences. Also, characters like Minato would have a different relationship with the situation. Instead of seeing Naruto as his son on the outside, he might be more focused on the presence of Naruto within Kushina, which could change how he approaches protecting his family and the village.
In this fanfiction, their marriage could also lead to new ninja techniques being developed. Kushina was a powerful kunoichi, and Naruto has his own unique abilities. Combining their skills and knowledge, they could create something entirely new. This could have a significant impact on the Hidden Leaf Village, making it even stronger in the face of threats.
In fanfiction, this could be due to an alternate reality or a dark twist in the plot. Maybe Kushina was mind - controlled by some powerful enemy. It's a very strange and dark concept that goes against the normal Naruto storyline where Kushina is Naruto's mother and loves him dearly.
In some fanfictions, it might be due to an alternate timeline or reality. A change in the past could lead to Kushina having different beliefs or loyalties. It could also be related to a new power or curse that affects her judgment and causes her to see Naruto as an enemy. However, this is often a very dark and dramatic turn in fanfiction stories.
In this kind of fanfiction, Naruto might experience a very emotional moment. He could finally get to know his mother better. Kushina would probably embrace Naruto tightly, telling him how much she has missed him all these years. Maybe she would share some of the Uzumaki clan's secrets with him that no one else knew.
Well, Naruto might break a bond with Kushina in the fanfiction. Maybe he finds out some dark secret about her that makes him question their relationship.
In a fanfiction, if Minato were to slap Kushina, it would be a huge shock to the Naruto - Kushina relationship. It could potentially cause a rift between Naruto and his father Minato in Naruto's mind. Also, Kushina would likely be deeply hurt and angry, which might lead to her distancing herself from Minato. This event could also change the way Naruto views his family's past and his parents' relationship.
Well, they could have a really touching conversation. Naruto might tell Kushina about his struggles growing up without her, and Kushina would comfort him. They could also bond over their shared Uzumaki traits, like their strong chakra and red hair. Maybe Kushina would teach Naruto some family recipes or traditions that he never knew about.