One reason could be to protect the younger fans. If 'aruto' has a significant following among kids or teens, having adult fanfiction might expose them to inappropriate content.
I'm not entirely sure without more context, but it could be a fan - made story. 'Clan reborn' gives the idea of a clan that has come back in a new form. And if Aruto is in it, he could be a hero in this fanfic. He might be on a quest related to the clan's rebirth, like finding lost artifacts or secrets that are crucial for the clan to be fully reborn.
Well, there are aruto fanfics that explore his backstory more deeply. Maybe it delves into his family history or his early training days. Some fanfics also put him in alternate universes, such as a steampunk world where he has to adapt his powers to fit the new technological environment.
Perhaps 'aruto' has a particular fan base that values the original concept in a non - adult way. So when it says 'no aruto adult fanfiction', it's a statement that any fan - written stories about 'aruto' should not involve adult - oriented content such as sexual or overly violent and mature themes.
Well, we can assume Aruto. Then, there could be a female character from the clan who has some special abilities and she becomes an important ally of Aruto. Also, there might be a traitor within the clan who is trying to undermine the rebirth process, and this character would add a lot of drama to the story as Aruto tries to figure out who it is and stop them.
One idea could be to have Aruto cross over with a vampire universe. He could use his unique skills to fight against vampire clans while also trying to understand their immortality. Another could be a crossover with a time - traveling story, where Aruto gets stuck in different time periods and has to use his wits to survive and find his way back, all while dealing with the immortals he meets along the way.
First, get to know the aruto universe really well. Read the original stories, watch the related shows if there are any. Then, think about an interesting concept or idea. It could be a new adventure for aruto, or a different take on his relationships. Just start writing down your thoughts and build from there.
A character like Dracula could be an interesting crossover. His immortality and dark powers would contrast with Aruto's nature. Also, Merlin from the Arthurian legends would be a great choice. His magic and immortality could lead to some really cool interactions with Aruto.
The chances are there. But a lot would need to fall into place. Good reception from fans, a viable business model for the adaptation, and a team willing to take on the project could make it happen. But as of now, it's just a possibility.