One challenge could be dealing with their different clan cultures. Naruto is from the Uzumaki clan and Hana from the Inuzuka clan. Their traditions regarding family, festivals, and even child - rearing might be different. Another challenge could be Naruto's dangerous missions. Hana would be constantly worried about his safety, and Naruto would have to balance his duties and his new family life.
One challenge could be their different clan responsibilities. Naruto has his duties as an Uzumaki and also as a hero of the village. Hana has her Inuzuka clan duties. Balancing these with their married life might be tough.
Well, perhaps in the fanfiction, Naruto and Hana are on a mission together. During this mission, they have to rely on each other more than ever. This experience makes them see each other in a new light, and love blossoms. For their marriage, it could be a simple and private affair at first, but then the whole village decides to throw a grand celebration for them later, with lots of food, music and dancing.
One possible plot could be that Naruto and Hana start off as friends who gradually realize their feelings for each other. They might face challenges like Naruto's busy life as a hero and Hana's work in the Inuzuka clan. But through it all, they support each other and finally decide to get married. Their wedding could be a grand affair with all their friends from the village coming together to celebrate.
If Naruto and Hana got married in a fanfiction, it could be really interesting. Naruto has his own unique charm and Hana has the Inuzuka clan's fierce loyalty. Maybe they'd have a big family, and Naruto would teach their kids his signature jutsu. Hana would be the one to discipline them in the Inuzuka way. And they'd support each other in their ninja careers, always having each other's backs no matter what.
In the context of a fanfiction, their relationship would develop gradually. Naruto and Hana would start as friends, perhaps working on a mission together. They'd notice each other's good qualities. Hana would see Naruto's big heart and Naruto would see Hana's determination. As time passes, they'd start to feel something more. They'd exchange small gifts, like Naruto giving Hana a special kunai and Hana giving Naruto a charm made by the Inuzuka clan. Their relationship would build over shared experiences, and eventually, they'd realize they want to be together forever.
It's also possible that Hana is related to one of Naruto's friends. Maybe she's Kiba's sister or something. And because of her connection to Naruto's friend, Naruto feels responsible for her safety. So when she's in trouble, Naruto steps in to save her without hesitation.
One possible plot twist could be that Naruto has to face a powerful enemy right before the wedding. This enemy might be someone from his past who wants to disrupt his happiness. Another could be that Hana discovers a long - lost relative who has some secrets about her family that could change their relationship. Or perhaps there's a mix - up with the wedding arrangements, like the wrong venue being booked, which leads to a series of comical and heartwarming events as they try to fix it.
Hana could be an original character created for this fanfiction. Maybe she is a new ninja in the village who Naruto falls for, but she has a hidden agenda that ends up breaking his heart.