Maybe the fanfiction could be about Naruto's child feeling the pressure of living up to their father's great name. They struggle in their ninja training because everyone expects them to be as good as Naruto right away. Along the way, they meet a group of outcasts and together they learn to find their own strength, different from Naruto's, and prove themselves to the village.
One possible plot could be that Naruto discovers he has a child during a mission. Maybe he saved a village years ago and unknowingly had a relationship with a local woman. The child could be in danger from some villains who want to use the child's connection to Naruto for their own evil plans.
In a 'Naruto banished has a child' fanfiction, perhaps Naruto was banished unjustly. His child could be a source of hope for him. The story could involve Naruto passing on his dreams and values to the child. They might journey together to find a new place to call home, and along the way, the child discovers their own unique powers that are a combination of Naruto's and something new. Naruto would be a protective and loving father, determined to give his child a better life than he had.
Maybe the story focuses on the relationship between Fem Naruto and her child. The child could inherit Naruto's strong will and determination, but also have some traits unique to Fem Naruto. For example, the child might be more empathetic or have a different approach to solving problems. And as the child grows, they start to understand the legacy of their mother and strive to make their own mark in the shinobi world.
One possible plot could be that Fem Naruto has been in hiding with her child to protect it from old enemies. Maybe she was in a relationship during a time of peace but things turned bad. Now she's constantly on the move, training her child in secret ninja skills.
One possible plot could be that Bella discovers she has a special child with unique powers. Maybe the child is half - human and half - something else, like in a supernatural setting. And she has to protect the child from those who might want to use the child's powers for bad things.
One possible plot could be that Naruto discovers an orphaned child during one of his missions. He decides to take the child under his wing and raise it as his own. He would teach the child ninjutsu, just like Jiraiya taught him, and also instill in the child the values of hard work and loyalty.
Well, the plot could be that Naruto is on a mission and stumbles upon a child in danger. Maybe the child is in a village under attack by bandits. Naruto quickly uses his ninja skills, like the Shadow Clone Jutsu, to fend off the attackers and save the child. He then might take the child under his wing and teach the child some basic ninja self - defense.
One possible plot could be that Naruto has been on a long and secret mission. During this time, he met someone and had a child. Now he returns to the village with the child, and the villagers are both shocked and curious. His friends, like Sasuke, might be initially skeptical but then come to accept the new situation. The child could also have some unique powers inherited from Naruto, which could lead to various adventures as they try to figure out how to control and develop these powers.
Perhaps the plot could be that a child from a foreign land, with a Gaga - esque fashion sense and attitude, arrives in the Naruto universe. The child has some special abilities that are related to music and art, similar to Gaga's creativity. Naruto is intrigued by this child and they form a team. Together, they go on adventures, fighting against enemies who are threatened by the new and different ideas the child brings, all while the child's influence slowly changes the perception of art and individuality in the ninja world.
Well, it could be about Naruto having some sort of connection to death. Maybe he has powers related to death that he has to learn to control. Or perhaps he's haunted by death in some way, like seeing the spirits of the dead shinobi.