A great plot could involve the werewolf OC imprinting on a human who is initially afraid of the supernatural world. The story could then focus on how the werewolf tries to win their trust and introduce them to the world of werewolves and vampires in Twilight. For example, the werewolf could show the human how they protect the town from the vampires at night.
Another storyline could involve a werewolf imprinting on a girl who has no idea about the supernatural world. The werewolf then has to slowly introduce her to this hidden world, all while trying to control his intense emotions due to the imprint. It could be filled with moments of discovery, fear, and ultimately, love.
Don't forget about their connection to their imprint. A believable werewolf OC will have a strong and complex reaction to their imprint. It's not just about love at first sight. There could be fear, confusion, or even a sense of duty. For example, if their imprint is in danger from the start, the werewolf OC might be torn between their natural instincts to protect and their own insecurities about their newfound feelings.
Maybe the male who imprints on Leah has some special power. His imprinting on her unlocks a latent power within Leah herself. They then have to go on a journey together to learn how to control and use this new power. Along the way, they face challenges from vampires who fear the new power they possess and werewolves who are jealous of the strong bond they share.
One plot idea could be that the OC is a new girl in town who is completely unaware of the werewolf world. Sam imprints on her and has to figure out how to introduce her to this new reality without scaring her away. Another could be that the OC is a hunter who initially thinks Sam is a threat but then realizes he's imprinted on her and has to deal with the moral and emotional conflict. A third idea is that the OC has a special power that the pack needs, and Sam's imprinting on her is what brings her into the fold to help the pack against a new threat.
One idea could be that the hybrid has unique powers that neither vampires nor werewolves possess. For example, the ability to control the elements, which could be a result of the combination of vampire and werewolf genetics. Another plot could revolve around the hybrid being an outcast from both vampire and werewolf communities and having to find its own place in the world. It could also be a key to bringing peace between the two feuding groups.
In some 'Harry Potter Twilight Imprint Fanfiction', there might be crossovers in terms of characters' relationships. Like a character from Harry Potter forming an unexpected bond with a Twilight character due to the imprinting concept. This can lead to new and unique storylines that explore loyalty and love in a different way.
Another plot could involve an OC who is a vampire hunter turned vampire. They meet Jasper and initially see him as an enemy but then gradually come to understand his different view on bloodlust. The OC could then have to decide whether to join the Cullens or go their own way, all while having a complex relationship with Jasper that includes elements of mistrust, admiration, and eventually love.
One idea could be an OC werewolf who is forced to attend the Yokai Academy from 'Rosario + Vampire'. The OC could be on a mission to find a lost artifact that is said to have the power to end the long - standing feud between werewolves and vampires. Along the way, they form an unexpected alliance with a vampire character from the original series, leading to many adventures and challenges as they try to keep their alliance a secret from both their respective clans.
One idea could be that the dancer has a special ability that is somehow connected to the werewolf lore in Twilight. For example, her dancing movements might be a form of magic that can either soothe or enrage the werewolves. Jacob, being attracted to her, has to figure out how to balance his werewolf nature with his feelings for her while also protecting her from other threats in the Twilight world.
One idea could be that Jacob's imprint on Sam's daughter causes a rift in the pack. Some members might not be okay with it due to the loyalty issues between Sam and Jacob. Another plot could be the girl struggling with her own identity while being the center of this supernatural connection. She could be trying to live a normal life but constantly being pulled into the werewolf world.