In some fanfictions, Naruto's mother might be a character related to the Uchiha clan in a unique way. It could be someone who was secretly in love with an Uchiha and had Naruto as a result. Maybe she was a long - lost relative of the Uchiha who was trying to protect the clan's secrets through Naruto.
Her Uchiha heritage could give Naruto a stronger connection to the Sharingan. Even if he doesn't directly inherit it in the traditional sense, it might influence his perception and ability to deal with Sharingan - related threats. For example, he could have an instinctive understanding of how to counter certain Sharingan techniques.
One common plotline could be the mother trying to hide Naruto's connection to the Uchiha from the rest of the village. Since the Uchiha had a somewhat controversial history in Konoha, she might be worried about Naruto being ostracized. Another plotline could be Naruto inheriting some sort of special Uchiha - related power from his mother, which he then has to discover and master as he grows up.
One possible plot could be exploring her relationship with the Uchiha clan before Naruto was born. Maybe she was involved in some sort of secret mission within the clan. Since she was Naruto's mother, her actions might have had an impact on Naruto's future in some hidden way.
The Uchiha might initially be filled with anger. Their trust in Naruto, if it was there before, would be completely shattered. They could start to plot revenge against Naruto, believing that he has wronged them. This could lead to a lot of tense moments in the fanfiction as the Uchiha gather their strength and resources.
In some fanfictions, Naruto could be made a full - blooded Uchiha through various creative plot devices. It might involve things like magic or some sort of genetic manipulation that rewrites his origin story. However, this is completely different from the original Naruto story where he is an Uzumaki.
I highly recommend 'A Uchiha's New Path'. This fanfiction delves deep into the possibilities of what could have happened if an Uchiha had chosen a different way. It has some amazing plot twists that keep you hooked from start to finish.
If Naruto was an Uchiha, it could lead to interesting plot twists. Maybe he'd have a stronger sense of revenge or be more conflicted about his place in the ninja world. Also, his interactions with the other Uchiha characters could be very different.
One idea could be a time - travel fanfiction. Naruto Uchiha (assuming it's an AU where Naruto has Uchiha heritage) somehow travels back in time and meets Kushina Uzumaki. They could form an unexpected friendship as he tries to protect her from the events that would lead to her death. He could also use his knowledge of the future to change things in the village for the better.
A really interesting one is 'Uchiha Secrets Unveiled in Naruto's World'. This fanfiction explores the hidden lore of the Uchiha family that wasn't fully explored in the original series. It has some really cool plot twists involving the Sharingan and the relationship between the Uchiha and other clans in the Naruto universe. It's a must - read for any Naruto and Uchiha family fan.