In some 'naruto is a father fanfiction', there could be a story where Naruto's child has a unique power that no one in the village has seen before. Naruto, as a father, has to protect the child from those who might fear or want to use this power for their own gain.
In some 'naruto is a father crossover fanfiction', there could be a storyline where Naruto is a father in a crossover with the Harry Potter world. His child could be a student at Hogwarts, and Naruto, with his experience of being a hero, tries to understand the magic world and protect his child from the dark forces. Maybe he uses his chakra in unique ways within the magical environment.
One interesting storyline could be a young father Naruto trying to balance his ninja duties with raising his child. He might have to take his baby on missions, which would lead to some comical and heart - warming moments as he tries to protect the baby while fighting enemies.
One possible storyline could be Naruto struggling to balance his ninja duties with raising his child alone. Maybe he has to take the kid on missions sometimes, teaching the little one about the ninja world along the way. Another could be Naruto dealing with the judgment of the village as a single father, showing how he overcomes that and still raises a strong and kind - hearted child.
One possible storyline could be that Naruto's child in the fanfiction inherits some of his unique powers, like the Nine - Tails' chakra. And they have to learn to control it, with Naruto guiding them. Another could be that the child gets into trouble in the ninja world and Naruto has to use his influence and skills to protect them.
Another interesting plot could be Qrow dealing with his own personal demons, like his alcoholism, while still being a father figure. He could struggle to set a good example for his child, but through the story, he gradually overcomes his issues. For example, his child might get into a dangerous situation because of his drinking habits, which serves as a wake - up call for him. And he then starts to change for the better to be a proper father.
One possible storyline could be Jaune teaching his child the skills he learned at Beacon. He might pass on his knowledge of combat and strategy, while also instilling in them the values of teamwork and friendship, just as he experienced with his team.
Another storyline might focus on the relationships between the Sand ninja and the Leaf ninja. For example, how they overcome their past differences and work together on a mission. It could involve a lot of character development and understanding between different cultures in the Naruto universe.
One interesting storyline could be a crossover where Naruto somehow ends up in Hippolyta's world. He might use his ninja skills to help the Amazons in their battles, like using his shadow clone jutsu to create distractions during an enemy attack.
Another storyline might involve Koharu being in danger and Naruto coming to her rescue. In the process, they discover a hidden bond between them that was previously unnoticed. Maybe they find out that they are related in some long - lost way or they just develop a deep friendship that changes the way the village views their relationship.
One interesting storyline could be exploring the backstories of minor characters in the Naruto universe. For example, how a random villager in Konoha came to be there and their family history.