Well, in some 'harry and ginny unexpected fanfiction', there could be a plot where Harry and Ginny accidentally swap their magical abilities. This would lead to a lot of comical and also challenging situations. For example, Ginny would have to deal with Harry's fame while Harry would have to adjust to Ginny's more personal relationships within the school. Also, there might be a story where they find a hidden chamber in Hogwarts that has a connection to their future together. Maybe it shows them visions of their possible lives and they have to decide how to make those visions a reality.
Some fanfictions might explore a plot where Harry and Ginny are thrown back in time. They end up in the days when the founders of Hogwarts were around. This would be really exciting as they could learn from the founders directly. Ginny might befriend Helga Hufflepuff and learn new magic, while Harry could get some insights from Godric Gryffindor on how to be a better leader. And there could also be a story where they are magically bound to a task that only they can complete together, like finding a lost magical artifact that has the power to save Hogwarts from a new dark threat.
One possible plotline could be Ginny being influenced by a dark magical object that makes her turn against Harry. This could lead to a series of conflicts as Harry tries to figure out what's wrong with her and how to save her. Another plotline might involve Harry and Ginny being caught in a dark prophecy that forces them to make difficult choices that seem against their nature. For example, they might have to choose between saving each other or the wizarding world.
One interesting plotline could be the paparazzi misinterpreting a friendly moment between Harry and Ginny as something more romantic, which then causes chaos in their wizarding world. For example, they might take a picture of Harry helping Ginny up after she falls during Quidditch practice and spin it into a love affair story.
One interesting plotline could be how Harry and Ginny handle their kids' magical education. For example, they might have different ideas on whether to send them to Hogwarts early or let them study at home for a while first. Another could be the family's adventures during holidays, like exploring new magical places together.
One interesting plotline could be their post - war life. How they deal with the trauma of the war and build a normal life together. For example, they might struggle with nightmares but find comfort in each other.
One interesting plotline could be Harry and Ginny having a secret date in Hogsmeade. They might discover a hidden alley with a magical shop that holds a key to solving a mystery at Hogwarts. Another could be that they encounter a strange creature near Hogsmeade and have to work together to keep it from causing chaos in the village. And also, perhaps they meet an old wizard in Hogsmeade who tells them a prophecy about their future together.
Some fanfictions have a plotline where they form a secret club or group. They might be working against a new threat that the official Hogwarts authorities are not aware of. It shows their loyalty to each other and their ability to take matters into their own hands to protect the wizarding world.
A common plotline is Ginny's role in the post - Voldemort wizarding world. For example, in some fanfictions, she helps to rebuild Hogwarts or plays a key part in the new Ministry of Magic. Another plotline could be Ginny's relationship with her siblings in a more in - depth way, like dealing with family secrets or rivalries.
In some fanfictions, there are plotlines about the Potter family traveling to different magical places around the world. They might encounter new magical creatures or ancient magic. For example, they could go to a hidden magical island where the magic is so pure and powerful that it's both a wonder and a danger. And it could be a story about how they adapt to these new situations while also teaching their kids about the wider wizarding world.
Well, in some fanfictions, a great plotline is that the arranged marriage is a political move. This forces Harry and Ginny to work together to figure out how to deal with the political implications. They may have to attend various wizarding events as a couple, which initially they dread but then start to enjoy. Also, there could be a plotline where Ginny's family secrets are revealed during the arranged marriage process, and Harry has to support her through it, which strengthens their bond.
Another plotline could involve them sneaking around to investigate a mystery. Maybe there are some strange happenings in the Forbidden Forest, and they have to keep it a secret from everyone else while they try to figure out what's going on. They could be using their skills and knowledge to piece together clues in their limited free time between classes and other activities.