What could be the plot of a 'Naruto brother of Starfire' fanfiction?

Yes, there might be. There are a vast number of fanfictions out there on various platforms. You can start by looking on popular fanfiction websites like Archive of Our Own or FanFiction.net. Just search for 'Naruto brother of Starfire' and see what pops up.

A possible plot could be that Naruto and Starfire are brought together in a multiverse - type situation. They team up to fight a common enemy that is threatening both their universes. Along the way, they learn about each other's powers and cultures, and form a strong friendship.

One possible plot could be that Naruto is sent to the Dragon Ball world through some sort of interdimensional rift. Since he has no family there, Gohan's family takes him in. Naruto, with his ninja skills and determination, could team up with Gohan to fight new threats in the Dragon Ball universe. He might also introduce some ninja - like strategies to Gohan and their friends, adding a new dimension to the battles. They could face off against villains who are interested in Naruto's unique powers from his own world, while also dealing with the regular Dragon Ball bad guys.

The plot could start with Naruto being an outcast as usual, but then he discovers he has a brother in Emreld. Emreld, who has been living a different life, could bring new skills and knowledge to Naruto. Together, they could go on a journey to find out more about their family's past and in the process, become stronger shinobi and face powerful enemies. This would also likely involve some emotional scenes as they bond as brothers and deal with the revelations about their family.

Well, it could be about Naruto being Korra's brother and them having to face some common enemy together. Maybe they discover some ancient power that only they, as siblings in this fanfic, can control.

The plot could involve Naruto protecting Hinata from the Hyuga clan's strict traditions. Since he's not bound by those traditions as her brother, he could fight against the elders who want to keep Hinata in a subservient role.

In this fanfiction, perhaps it's a story of redemption for Deidara. Naruto, as his brother, could be the one to show him a different path. They might go on adventures together, facing various challenges that test their relationship. It could also explore how their powers might be related or different, given their connection as brothers.

Well, it could be about Naruto and Rawby growing up together in the Hidden Leaf Village. They might face challenges together, like dealing with bullies or difficult training. And perhaps they have a special bond that helps them overcome obstacles in their ninja journey.

Well, it could be about Naruto somehow being related to a character in RWBY and their adventures together. Maybe Naruto's skills and values from his own world get incorporated into the RWBY universe, like his ninja techniques being used to fight Grimm.

One possible plot could be that Naruto discovers he has a sister - like bond with Tenten early on. They could train together and Naruto might learn some unique weapon - based skills from Tenten. Then, they go on missions together, facing challenges that test their new - found relationship and their combined skills.