Well, a cool plot for the fanfiction could be that Yobi's five tails start to lose their power due to a dark curse. She then has to seek out an ancient and wise fox who lives on a far - away mountain. The journey to find this fox is full of danger, such as crossing a river full of magical creatures that try to stop her. Once she finds the wise fox, she has to complete a series of trials to regain the power of her tails. This could involve tasks like finding rare herbs, solving riddles, and showing great courage in the face of fear.
For a 'Yobi the Five Tailed Fox' fanfiction, we could add a bear cub. The bear cub is lost and Yobi takes it under her wing. This creates a heart - warming sub - plot. A snake charmer from a nearby village who has some knowledge of magic could also be a character. He could either be an ally or an enemy depending on the story's direction. And then there's the idea of a fairy. The fairy is drawn to Yobi's unique five - tailed form and offers to help Yobi enhance her powers in exchange for a favor. But the fairy has a mischievous side that could lead to some unexpected twists in the story.
A possible plot for the 'Stiles is a nine - tailed fox' fanfiction is that Stiles' nine - tailed fox form is somehow connected to an old, forgotten magic in the town. There could be a hidden portal or a magical object that only his fox powers can unlock. His friends, who are involved in the supernatural world already, start to suspect that Stiles is different. Stiles then embarks on a journey to learn more about his powers and the history behind them. Along the way, he meets other nine - tailed foxes or similar creatures who teach him about his heritage and how to use his powers for good.
One idea could be exploring the relationship between Naruto and the Nine - Tailed Fox in more depth. Maybe Naruto has to enter the fox's mind - scape and they have a long conversation about their fates being intertwined. Another plot could be a 'what if' scenario where the Nine - Tailed Fox was released earlier in Naruto's life and how he would deal with it without as much training. A third idea is to have the Nine - Tailed Fox take on a human form and accompany Naruto on his adventures, causing all sorts of chaos and also some unexpected moments of friendship.
One interesting plot idea could be that Naruto has to find a new way to bond with the Ten - Tailed Fox. Maybe the fox's power starts to go out of control and Naruto has to enter its mind - scape to calm it down. Another idea is that an enemy tries to steal the Ten - Tailed Fox from Naruto and he has to fight to keep it.
One interesting plot idea could be that the nine - tailed fox somehow ends up in the wizarding world of Harry Potter. Maybe it disguises itself as a new magical creature and causes chaos among the students at Hogwarts. Another idea is that it has a special connection to one of the main characters, like Harry, and it helps him in a unique way during his fight against Voldemort. For example, it could use its powerful magic, which is different from the magic in the wizarding world, to give Harry an edge in a battle.
One idea could be a faunus with the traits of the Nine - Tailed Fox being an outcast in the ninja world because of the power and fear associated with it. They struggle to find their place while also having to control the fox - like instincts within them.
In this fanfiction, Naruto could turn into the Nine - Tailed Fox during a time of great emotional turmoil, like when he loses someone close. The transformation is involuntary. As the fox, he runs away into the forest. His friends go on a journey to find him and bring him back to his normal self. Along the way, they discover secrets about the Nine - Tailed Fox's past and how it relates to Naruto.
Perhaps the 9 - tailed fox demon's transformation is part of a prophecy. As it transforms, it gains new powers that are crucial in a battle against a dark sorcerer. The transformation might also involve a change in its appearance to look more like a powerful and majestic being rather than just a regular fox.
One idea could be Naruto having a hard time controlling the transformation at first. He might accidentally cause chaos in the village. Another could be that his friends try to reach out to the Nine - Tailed Fox within Naruto to understand it better. Maybe Naruto starts to gain new powers from the fox that are unique to this fanfic scenario.
A plot could revolve around a tailed beast that has been corrupted by an unknown force. Naruto and his friends then have to find a way to purify the beast without killing it. This would require them to understand the nature of the tailed beasts more deeply. In the process, they might discover new secrets about the tailed beasts' origins and their connection to the ninja world. It could also lead to new alliances and enemies. There could be intense battles and emotional moments as they try to save the corrupted tailed beast.