Yes, there might be some. However, it's a rather dark and unorthodox take on the Harry Potter universe. Some fanfictions like this explore extreme 'what - if' scenarios. But they often deviate greatly from the original spirit of the series.
There could be such fanfiction out there. But keep in mind that the Harry Potter series is mainly about friendship, love, and the fight against evil. A plot where Ginny sells Harry to Voldemort is quite the departure from that. It might be written by someone who wants to explore the absolute worst - case scenario or create a shock - value piece.
I'm not sure if there's a particularly 'popular' one. Fanfiction can be a vast and diverse realm. This concept goes against the general relationship dynamics in the original books. It would likely be a very niche and edgy piece of fan - created work, and might not appeal to mainstream Harry Potter fans.
Well, in this sort of fanfiction, Ginny's motive could be a complex web of emotions. She might be under the influence of a dark spell. Or perhaps she has been misinformed about Harry's role and believes that by giving him to Voldemort, she's actually saving the wizarding world. It could also be a case of extreme jealousy, if the writer wants to explore a really twisted version of her character.
I'm not really into that kind of fanfiction that involves cheating in the Harry Potter universe. However, there might be some out there. It's not a very positive or canon - friendly concept, but some fanfic writers might explore such dark or angsty storylines for the sake of drama.
Yes, there might be some out there. Some fanfictions can be quite creative in exploring unique relationships. However, it's a very unconventional concept. You'd have to search on popular fanfiction websites like FanFiction.net or Archive of Our Own. They have a vast collection of Harry Potter fanfictions, and you might find one that fits this strange premise.
Yes, there are some fanfictions with this theme that are considered well - written by some fans. These fanfictions often explore unique character dynamics and alternative storylines. However, it's a rather unconventional take on the Harry Potter universe.
One common theme is power struggle. Since Harry has his own power and Voldemort is power - hungry, there will be a constant fight for control over Harry's abilities. Another theme is the loss of innocence. Harry, being in such a dark situation, would surely lose his naivete quickly.
Yes, there might be some out there. However, the idea of Ginny cheating on Harry goes against the essence of their relationship in the original series. Some fanfictions might explore this concept in an interesting way, perhaps to show how relationships can be complex even in the wizarding world. But it's important to note that it's a departure from the main story's values.
I'm not sure of a specific title off - hand, but in such fanfictions, usually, the story would show how Harry's life changes drastically. Maybe he has to endure a lot of hardships under Voldemort's control, or perhaps he tries to find a way to escape and turn the tables on Voldemort. It's a very dark and interesting concept that can be explored in many ways.
Another plotline might be their family life. They could be shown starting a family early, and dealing with the joys and challenges of raising children in the wizarding world. For example, teaching their kids magic at home, or dealing with the chaos of a family full of young wizards.
There's a fanfic called 'Ginny and Harry: A Love Unhindered'. In this story, they start dating right after the defeat of Voldemort's minions in their final year at Hogwarts. Without the threat of Voldemort, they are able to fully explore their feelings for each other. They go on adventures across the wizarding world, from the beaches of Cornwall in the wizarding UK to the magical markets in Paris, just the two of them.
This is a very strange and dark concept for fanfiction. In a possible plot, perhaps they are under some powerful mind - controlling spell. Maybe Voldemort has found a way to use their skills and knowledge for his own evil ends. For example, Harry's connection to the Deathly Hallows could be exploited, and Ginny's powerful magic, which was shown in the books, could be used to carry out Voldemort's orders against their will.