Perhaps a plot where Hal and Alex get caught in a time - loop. They keep reliving the same day over and over again. At first, they are confused and frustrated, but as they start to notice small details each time, they work together to find a way to break the loop. Along the way, they learn more about each other's true natures and grow closer as friends or even something more.
Another plot could involve their families' reactions. Hal's parents might be overjoyed while Maggie's family could be a bit more reserved or even skeptical at first. This could lead to some family drama and interesting character interactions.
One interesting 'hal being human fanfiction' story could be about Hal trying to understand human emotions. He might start with simple emotions like happiness and sadness, experiencing them in a very different way than a natural - born human. For example, he could analyze the chemical reactions in the human body associated with these emotions and then try to replicate them within his own system.
One idea could be that Alex is pregnant while still in college. She could struggle to balance her studies with her pregnancy, and there could be a lot of tension with her family. Some of her professors might be unsympathetic, while others offer support. Her friends could also have a range of reactions, from envy to concern.
Perhaps they could be in a world where magic is involved. The pregnancy could have some magical implications, like the baby having special powers. They then have to protect the unborn child from those who might want to use its powers for evil.
Maybe there's a plot where their pregnancies are high - risk due to their jobs in the hospital. They have to deal with the worry of their own health as well as the health of their unborn babies. They might also face judgment from some colleagues who think they can't handle their work while pregnant.
One plot idea could be that Naruto is a celestial being sent to the human world on a mission. He has powers far beyond what normal ninjas possess, like the ability to control the elements on a much larger scale. For example, he could stop a natural disaster by simply willing it. Another idea is that he's a spirit in a human form, and he has to find a way to return to his spirit realm while still protecting the village. This could involve him learning about his true identity through a series of mysterious encounters.
In fanfiction, their characters can be developed more freely. For example, Hal might be shown as more vulnerable than in the original show. Maybe he has a harder time controlling his vampire instincts and Alex has to help him. This is different from the show where he usually has a better grip on himself.
The theme of loneliness also pops up often. Despite being surrounded by people, Hal often feels isolated due to his unique situation. And then there's the theme of love and relationships. Whether it's platonic or romantic, his relationships with other characters are a big part of the fanfictions. For example, his bond with Tom and Annie in many stories is explored in depth, showing how he tries to fit into their world while dealing with his own secrets.
One idea could be that the OC is a new vampire in town and Mitchell takes it upon himself to mentor the OC. They could get into all sorts of adventures, like dealing with vampire hunters together.
One idea could be that Josh and Nora travel to a new town where they discover a hidden community of other supernatural beings. They have to decide whether to join this community or keep their distance. Another could be that Nora gets a job at a hospital where she has to deal with a co - worker who is secretly investigating her and Josh's strange behavior. A third idea is that they plan a trip to a place from Nora's human past, and along the way, they face various challenges that test their relationship.