In some fanfictions like 'Black - haired Natsu and the Forbidden Realm', his black hair is the key to entering a forbidden realm. The story then revolves around his exploration of this new and dangerous place, facing all kinds of strange creatures and uncovering secrets about the realm and his own past. It's full of adventure and mystery.
Another interesting plotline is when his black hair causes a misunderstanding among his friends in the guild. In 'The Black - haired Natsu Misunderstanding', they think he's been affected by some dark magic. This leads to a lot of drama as Natsu tries to prove he's still the same person while also figuring out why his hair has changed. It's a story that focuses on relationships and trust within the guild.
A common plotline is that the black hair is a sign of a new power awakening. For example, in 'Natsu's Ascent', his black hair marks the start of him being able to access a powerful and ancient magic. This changes his relationships with his guildmates as they have to adapt to his new, more powerful self.
There's a fanfic named 'The Black - haired Slytherin'. In it, Draco's black hair is a key part of his appearance. It sets him apart from the traditional blond - haired Draco we know. The author uses his black hair to explore different character traits, like a deeper sense of mystery and a connection to a more shadowy side of the wizarding world.
In some fanfictions, Harry's long hair might give him special powers. For instance, it could be a sign that he has a connection to an ancient magic. The plot could revolve around him exploring this new connection and using it to fight against Voldemort in a different way than in the original books. The long hair could also attract the attention of new characters, like a mysterious wizard who recognizes the significance of his long hair and offers to train him further.
One plotline could be that Naruto's long hair is a sign of a connection to an ancient power. He has to learn to control this power which is linked to his long hair. Along the way, he meets other characters who have knowledge about this power and his long hair becomes a central part of his journey to master this new ability.
In some fanfictions, Harry Potter having white hair could be a result of a time - travel mishap. Maybe he travels back in time and something goes wrong, which alters his physical appearance, specifically his hair. This could lead to all sorts of interesting scenarios. For example, he might be mistaken for a different person in the past, or his friends in the present might not recognize him when he returns. It could also create a whole new dynamic with his relationships, as people react differently to his new look.
Well, one plotline could be that his red hair is a result of a curse. He then has to find a way to break the curse, all while dealing with his regular Hogwarts life, like exams and Quidditch. Another could be that his red hair is a sign of a new magical power awakening within him.
One interesting fanfiction could be where Ichigo's black hair is a symbol of a hidden power. Maybe in this story, as his black hair grows longer, his power intensifies, and he has to learn to control it. This could lead to a whole new adventure where he discovers parts of his heritage he never knew before.
Another plotline could be that Naruto's long black hair is a key to unlocking an ancient power. There are prophecies about a ninja with long black hair who will save the village or the whole ninja world. So Naruto has to figure out how to use his hair to access this power. Along the way, he might face many challenges and enemies who want to stop him from fulfilling the prophecy.
Well, one plotline could be that the fox partner is actually a reincarnation of an ancient ninja spirit. In the fanfic, Naruto has to help the fox regain its full power while also using its power to defeat a new, powerful enemy threatening the Hidden Leaf. For example, they might have to journey to ancient ninja ruins to unlock the fox's true potential.
One common plotline could be Natsu going on a solo adventure that the other Fairy Tail members watch through some magical means. Maybe he discovers a new type of magic that is both dangerous and alluring. Another could be Natsu facing a version of himself from an alternate timeline, and the guild watches as he battles his other self to save the world.
A third plotline could be Izuku being targeted by villains who are interested in his black lightning quirk. They might see it as a powerful tool or a key to some greater scheme. This would put Izuku in a dangerous situation and force him to rely on his friends and his own growing skills to protect himself and the ones he loves. His friends might also have to step up and help him develop new strategies to combat these villains who are specifically after his quirk.