What could be an interesting plot for an 'oc wakes up as natsu fanfiction'?

One possible plot could be that the OC wakes up in the world of Hayley Marshall and has to quickly adapt to the supernatural elements. Maybe they first struggle to understand their new powers, if they have any. They could end up becoming friends with Hayley and helping her in her battles against her enemies. For example, they might assist in protecting the werewolf pack from a new threat in the area.

Suppose the OC is more introverted. In Natsu's body, they might have a hard time dealing with Natsu's boisterous friends at first. This could create some comical and also some tense moments in the story. But as time goes on, the OC might start to open up a bit more because of the influence of Natsu's friends, and in turn, they could also influence the guild members in new ways, like introducing quieter, more thought - out strategies during missions.

Perhaps he wakes up to find that the laboratory is in the middle of a big experiment gone wrong. There are strange creatures or phenomena around him, and he has to figure out how to escape and also stop whatever bad thing is about to happen. He might use his Pokémon knowledge and skills to get through this tough situation.

In the fanfiction, when Ash wakes up in the room, he might discover that he has new, unexpected powers. The room could be a sort of testing ground for him. He'll have to learn to control these powers while also dealing with the mysteries of the room, like hidden doors and cryptic messages on the walls.

In a 'natsu married oc fanfiction', perhaps the OC is a healer. Natsu gets seriously injured during a battle and the OC nurses him back to health. Natsu is so grateful and impressed by her kindness and skill that he starts to develop feelings for her. They get married and the story could focus on how Natsu has to adjust to having a partner who is more calm and collected compared to his fiery self. He might learn to be more patient and she might learn to be more adventurous from him.

One possibility is that Naruto would initially be confused and struggle to control his new form. He might accidentally cause destruction in the village as he tries to figure out his new powers. But with the help of his friends, like Sasuke and Sakura, he could start to learn to harness the tailed beast's abilities for good, perhaps even developing new jutsu.

One possible plot could be that Tyrion, now young again, uses his knowledge of the future to his advantage. He might try to change certain events that led to his hardships in his previous life. For example, he could work on improving his relationship with his family from the start, especially with his father. Maybe he'd use his wits in a different way, to gain more respect and power in Westeros without having to go through the same level of humiliation and suffering.

Happy could be an interesting character. He could be like a sidekick and a source of comic relief during their relationship journey. For example, he might accidentally interrupt their romantic moments or give Natsu really bad advice on how to court the OC at the beginning. Erza could also be important. She could be the one who gives the OC advice on how to handle Natsu's wild nature, as she has known him for a long time.

One possibility is that he wakes up and discovers new allies. The story could then revolve around him building relationships with these new characters while still holding onto his old values. He may also have to deal with the fact that the world has moved on without him and find his new place in it.

Well, it could be about a magical spell. Maybe he offended a witch and she turned him into a girl as a punishment. He then has to go through his day trying to figure out how to reverse it while dealing with all the new experiences of being female, like wearing different clothes and having different social interactions.