Perhaps the baby could be named Kazuki. It gives a sense of being strong and noble, which would be fitting for the child of Naruto and Hinata. In fanfiction, the name could also be symbolic of a new beginning or a special power that the baby might possess, like being related to the combination of Naruto's Nine - Tailed Fox power and Hinata's Byakugan abilities.
Naruto would likely become more responsible. He's used to being the hero, but now he has to be a father too. So he might cut back on some of his risky adventures to be there for his family. Hinata would become more confident as a mother. She's always been a bit shy, but with a baby to protect, she'd find her inner strength.
Hinata and Naruto's baby was like a little ray of sunshine in their lives. The baby girl had a special charm. Hinata took great care in dressing her up in cute little outfits. Naruto was a doting father, always carrying the baby on his shoulders. One day, when the baby took her first steps, it was a moment of pure celebration. Hinata and Naruto held hands, watching their daughter with pride. Their baby brought out a new side of them, a side filled with even more love and tenderness.
Maybe the fanfic is about the unique abilities the baby might inherit. Since Naruto has the Nine - Tails' chakra and Hinata has the Byakugan. The baby could potentially show early signs of extraordinary powers. It could be a story of how Naruto and Hinata train and guide their baby to control these powers in a safe and positive way.
The baby might inherit Naruto's ability to use chakra in large amounts and his signature Rasengan. Since Naruto has such a vast amount of chakra, it's likely that his child would also have a significant chakra reserve.
Hinata's family would also have to deal with the emotional aspect. They love Hinata in her normal state, and now they have to adjust to this new form. They might start to remember when Hinata was actually a baby before and all the hopes and dreams they had for her then. Some of the more conservative members of the family might be more hesitant to let Naruto be around her, but the more open - minded ones could see that Naruto's presence is actually good for her in this state. And they would all be united in their goal to get Hinata back to her normal self.
Often, the baby that is a perfect blend of Naruto and Hinata's traits is well - written. For example, a baby with Naruto's spunk and Hinata's kindness. This kind of character is interesting because they can inherit the best of both parents. They might be brave like Naruto, always ready to face challenges, but also gentle and empathetic like Hinata. Another well - written baby character could be one that has a unique personality that stands out on its own, not just relying on being a mini - Naruto or mini - Hinata.
The baby might inherit Naruto's ability to use the Nine - Tails' chakra. Since Naruto has a strong connection with the Nine - Tails, it's possible for the baby to have some form of access to that power. This could manifest as enhanced strength and speed, similar to when Naruto taps into the Nine - Tails' chakra.
Sakura would be overjoyed. She's been Naruto's friend for a long time, and she would be excited to see him start a family. She might offer to be the baby's doctor and make sure the baby is healthy. Shikamaru would probably be a bit lazy about it at first but would come around and offer his strategic mind to help protect the baby if needed.
One popular plotline could be about the challenges they face as new parents. For example, Naruto might struggle to balance his Hokage duties with being a father. Hinata, on the other hand, could be dealing with the pressures of raising a child with such a high - profile father. Another plotline might involve their baby showing some unique ninja abilities from a very young age, and they have to figure out how to train and protect the child at the same time. There could also be a plot where their baby gets kidnapped by an old enemy seeking revenge on Naruto, and they have to embark on a dangerous rescue mission.