Another plot could be that the OC is an outcast in the wizarding world due to their unorthodox magical abilities. They see Harry as a kindred spirit. When they adopt him, they take him on a journey to discover the true nature of magic, which is different from what is taught at Hogwarts. This could involve exploring hidden magical realms and learning from magical creatures that are not well - known in the wizarding community.
A possible plot in this female Harry Potter adopted fanfiction could be that she's adopted by a foreign wizarding family. They introduce her to different magical cultures and traditions. For example, she could learn about Asian magic, with its focus on balance and harmony. This would make her a more well - rounded witch. Her adopted family might also have a secret grudge against Voldemort, which adds another layer to the story. As she grows up, she uses her combined knowledge of different magics to fight against the dark forces in the wizarding world, all while dealing with the fact that she's not like other wizards due to her adoption.
In the 'Harry Potter adopted son of vixen fanfiction', it's possible that the vixen is part of a long - forgotten magical race. Harry, as her adopted son, might be caught in the middle of a power struggle between this race and the traditional wizarding world. He could be the key to bringing peace or might have to fight to protect both his new family and his friends at Hogwarts. His vixen - influenced nature might make him more attuned to nature - based magics, which could set him apart from other wizards.
Perhaps Harry is adopted by a Muggle family who are aware of the wizarding world. They could be a family of scientists who study magic from a scientific perspective. Harry would grow up with a unique understanding of magic, seeing it both as a wonder of the wizarding world and something that can be analyzed. This might make his time at Hogwarts very interesting as he tries to blend these two views of magic.
A possible plot is that the Gaunt OC is an outcast within the family due to their different views on magic. They believe in a more inclusive form of magic that accepts all wizards and witches regardless of blood purity. So, they run away from the Gaunt family and end up at Hogwarts. There, they face discrimination from some Slytherins who know of their family name, but they find friends among the other houses and together they try to change the perception of blood purity at Hogwarts.
One idea could be a male oc who is a transfer student from a different wizarding school. He has unique magical abilities that are rare in Hogwarts, like the ability to communicate with magical creatures on a deeper level. This could lead to him helping Hagrid with some of the more dangerous creatures and getting into all sorts of adventures around the Forbidden Forest.
One idea could be that the OC is a transfer student from a far - off magic school. The harem could consist of characters from different houses. For example, Hermione could be attracted to the OC's vast knowledge of ancient magic that he or she learned from their original school. Ginny might be drawn to the OC's brave and adventurous spirit, similar to Harry's. And Luna could be interested in the OC's unique view of the magical world, which is different from Hogwarts' norm.
Well, a great plot idea could be that the mermaid OC has the power to communicate with magical creatures that live in the lake and around Hogwarts. When some strange and dangerous creatures start to act up, she warns Harry Potter. They then team up to figure out what is causing the creatures to behave this way. Maybe it has something to do with a dark spell cast by Voldemort's followers. Or perhaps the mermaid OC falls in love with a Hogwarts student, and they have to face the challenges of a relationship between a mermaid and a human - like in the classic mermaid tales, but with a Harry Potter twist.
Well, perhaps Harry is adopted by a family of magical creatures, like centaurs. They teach him their unique ways of magic and understanding of the magical world. He could have a whole different perspective on things like divination, as centaurs are known for their prophetic abilities. It would be really interesting to see how he interacts with his human friends at Hogwarts after growing up in such a different environment.
Well, in such a fanfiction, it might be fascinating to see how the relationships with his original friends, like Ron and Hermione, are affected. Since his family situation has changed, perhaps their interactions become more complex. For example, they might have to deal with a new 'Harry' who has different priorities due to his new family.
Perhaps his adopted mother is a Muggle with a special connection to the magical world. She raises Harry in a Muggle - like environment but also imparts some ancient magical wisdom she's inherited. This would create an interesting dynamic where Harry has to balance his two different worlds even more so than in the original story.