The plot could start with Harry suddenly awakening the Sharingan, which puzzles him as it's not a normal wizarding power. Daphne, who has an interest in unusual magic, offers to help him understand it. As they dig deeper, they find that the Sharingan is related to an ancient pact between the wizarding world and a powerful other - dimensional being. Now they have to deal with the implications of this discovery, including how it affects Harry's role in the fight against Voldemort and how to keep it a secret from those who might misuse it.
Their relationship could develop as a partnership based on mutual curiosity. Harry's Sharingan is a mystery, and Daphne's eagerness to understand unusual magic brings them together. They might start as friends, sharing their knowledge and experiences, and gradually grow closer as they face challenges related to the Sharingan in the wizarding world.
One possible plot could be that Harry, through some sort of magical accident or spell gone wrong, is turned into Daphne. He then has to navigate the world as a female Slytherin. He might struggle with the different social dynamics in Slytherin house compared to Gryffindor. And he has to keep his true identity a secret while trying to find a way to reverse the transformation. All the while, he could be learning things about Daphne's character and past that he never knew before.
Perhaps the plot could involve Harry inheriting the Sharingan from a long - lost relative who had some connection to the Naruto universe. With the Sharingan, he can perceive things that normal wizards can't, like the flow of magic in a more detailed way. He might use this to develop new spells or to understand the nature of magic better. And in battles, he could use the Sharingan's abilities like predicting his opponents' moves and copying spells, which would give him a huge advantage against the Death Eaters and other foes.
Well, it could be that Daphne is in danger during a dark wizard attack at Hogwarts. Harry, being the hero he is, uses his skills and magic to fend off the attackers and save her. Maybe she was in the wrong place at the wrong time near the Forbidden Forest.
There could be. Fanfiction writers love to experiment with different concepts, and combining the magic of Harry Potter with the unique power of the Sharingan from Naruto is an exciting idea. You can try searching on popular fanfiction websites to see if such a story exists.
The plot might involve Daphne's internal struggle. She has this crush on Harry but is afraid of being rejected. So she first tries to befriend Harry's friends to get closer to him. She could also be competing with other girls who are also interested in Harry. As the story progresses, she might gather the courage to confess her feelings directly to Harry.
One possible plot could be that the Potter ring has some sort of ancient magic. Harry discovers it and when Daphne gets involved, they find out that the ring is tied to a prophecy. Together, they embark on a journey to unlock the secrets of the ring, facing various magical creatures and dark wizards along the way.
One possible plot could be that Sakura somehow inherits the Sharingan. Maybe she is involved in a dangerous mission where she comes across an Uchiha survivor who, before dying, transfers their Sharingan to her. She then has to learn to control it while dealing with the prejudices and expectations that come with having such a powerful and rare ability in a world that already has certain ideas about who should possess the Sharingan.
Well, one possible plot could be that they meet during a time when the wizarding world is facing a new threat. Harry, being the hero he is, is in the thick of things. Daphne, perhaps having changed from her Slytherin ways a bit, starts to see Harry in a new light. They team up to fight the threat, and along the way, their relationship blossoms into love. Eventually, they get married and work towards a more united wizarding world, where Slytherin and Gryffindor ideals are combined to make it a better place.
One possible plot could be that they meet during their time at Hogwarts and initially dislike each other but as they grow older and face common threats in the wizarding world, they start to develop feelings. Eventually, they get married and work together to bring about a more united wizarding community.