Well, the story might start with Naruto's sudden transformation into a werewolf. This could be due to a curse or some kind of dark magic. As he tries to understand what's happening to him, he embarks on a journey. Along the way, he meets characters who either help or hinder his quest for answers. He could also discover that his werewolf form has a connection to an ancient prophecy in the Naruto universe. This prophecy could involve saving the world or causing its destruction, depending on how he masters his new powers.
The story could develop with Naruto trying to hide his werewolf identity at first. But as time goes on, certain events force him to reveal it. Maybe during a battle, he involuntarily transforms and his friends are shocked. Then, he has to deal with the consequences of that revelation, both positive and negative. He could start to learn more about his werewolf side, like finding out there are other werewolves in the Naruto world and they have a society of their own.
It could develop in a complex way. Maybe at first, Kushina is shocked by Naruto's dark transformation. But as a mother, she tries to understand him. She might start by reaching out to him, trying to find the root of his darkness.
The story could develop with Hermione trying to hide her condition at first. She might be afraid of how others will react.
The story could develop with Naruto's parents helping him face new threats. They could form a powerful family team. Minato's speed and strategic mind combined with Kushina's chakra chains and Naruto's Rasengan - based attacks would be a force to be reckoned with.
If Naruto merged with Madara, the story might take a turn towards exploring new forms of ninjutsu. They could start teaching the new generation their combined techniques, and the ninja world would see a new era of powerful shinobi. Also, their relationship could be a central theme, with Naruto constantly trying to keep Madara's darker side in check.
It could develop through Naruto's admiration for Mikoto's skills. Mikoto is known for her abilities in the ninja world. Naruto, always eager to learn and improve, looks up to her. He asks her for advice on certain ninja techniques. Mikoto, impressed by Naruto's eagerness to learn, starts to give him regular training sessions. During these sessions, they spend a lot of time together, and their relationship gradually turns from a mentor - student type to something more romantic as they discover more about each other's personalities.
The story could start with some sort of magical or scientific accident that causes the fusion. Then, they might have to deal with people being afraid of their new, extremely powerful form. Their friends would be confused at first but then try to help them control this new power.
Their relationship could start with Naruko being curious about Dark Naruto. As she gets closer to him, she discovers his pain and the reasons behind his darkness. This understanding can lead to a friendship where she tries to help him. Eventually, it might develop into a deeper bond, like a romantic relationship if they share many experiences and grow to trust each other completely.
Their relationship could start off as antagonistic. Dark Naruto's actions might be seen as a threat by Anko, so she would be on the defensive. But as she gets to know him better, she might see the pain behind his dark transformation. This could lead to a more empathetic relationship where Anko tries to help Naruto come to terms with his new self.
If we consider a more romantic relationship, it could develop slowly. Fuu could be the one to first show kindness to Dark Naruto when everyone else is afraid of him. This kindness would be a new experience for him, and he would start to open up to her. As time passes, their feelings for each other would grow deeper, and they would support each other through all the difficulties they face in the ninja world.
In many 'dark naruto x sakura fanfiction' stories, the relationship begins with Sakura being afraid of Dark Naruto. But as time goes on, she realizes that there is still some of the old Naruto in him. This realization can lead to her trying to help him, which in turn makes Dark Naruto start to care for her in his own way. Their relationship then evolves from fear and suspicion to a more complex bond that might include elements of friendship and something more. For example, he might start to protect her not just because it's the right thing to do, but because he has developed feelings for her. And Sakura might see the good in him that others can't, which deepens their connection.