Power dynamics is also a theme. The werewolves and vampires have different powers, and when Leah and Edward interact, there's a constant negotiation of power. Sometimes they have to rely on each other's unique abilities to get out of difficult situations, which makes for an interesting exploration of their relationship.
Maybe the story could be about how Leah's imprint on Edward changes her. She could become more determined to bridge the gap between werewolves and vampires. For example, she might try to convince the other werewolves that not all vampires are bad because of her newfound connection to Edward. And Edward, in turn, might start to see the werewolves in a different light. It could also involve them facing external threats together, which forces them to rely on each other.
In some fanfictions, Edward and Leah might be involved in a mystery together. For example, there could be a series of strange events in Forks that seem to be related to both vampires and werewolves. They are forced to put aside their differences and join forces to solve the mystery. As they work closely, they start to see each other in a new light, and a romantic relationship might develop in the process.
One great 'Leah and Edward fanfiction' is 'A Different Path'. It explores an alternate universe where Leah and Edward form an unexpected friendship that gradually turns into something more. The story is well - written, with great character development.
You can start by looking on fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfictions, and you can use the search function to specifically look for Edward and Leah stories. There are often tags and filters that can help you narrow down your search to find the best ones.
Leah would probably be very forward in her approach. As an imprinted werewolf, she'd be driven by a strong instinct to be near Edward. Edward, being the more reserved vampire, would be a bit taken aback at first. He might be polite but distant, trying to figure out how to handle this new situation.
Without more context from the specific fanfiction, it's hard to say exactly who Leah is. She could be an original character created by the fanfiction writer, perhaps someone with special powers or abilities.
They could also be characters from an existing story or series that the fanfiction is based on. Maybe they were minor characters in the original and the fanfiction writer decided to give them a more in - depth relationship and the moment of the kiss to explore their potential.
Often, their relationship becomes more complex. They might start off as just friends or comrades, but the pregnancy forces them to become closer, more like a family.