A more domestic plot could be that the reader is a new resident in the town where Jim lives. They meet at a local event and start off as friends. However, as they get to know each other better, they realize they have deeper feelings. Jim could be hesitant to start a relationship because of his past adventures and the potential danger it could bring to the reader, but they work through it together.
Maybe the reader is an alien from a planet that Jim's ship visits. The reader is initially distrustful of Jim and his crew, but Jim manages to break through the barriers with his kindness and courage. They then embark on a journey to help the reader's planet, which is facing some sort of threat. Along the way, their relationship deepens.
One idea could be that the reader is a stowaway on the ship Jim is on. They have to work together to avoid being discovered and in the process, they form a bond. Jim could teach the reader about sailing and space travel, and they could face various challenges together like dealing with pirates or navigating through dangerous asteroid fields.
One great 'jim hawkins x reader fanfiction' is 'The Adventure with Jim'. It beautifully captures the essence of their relationship within the adventurous world. The writer vividly describes the interactions between the reader and Jim Hawkins, making it a very engaging read.
You can try Archive of Our Own (AO3). It has a large collection of fanfictions, and you're likely to find some great 'jim hawkins x reader' ones there. Just use the search function and type in the relevant keywords.
One common theme could be adventure. Since Jim Hawkins is often associated with adventure, the fanfiction might incorporate their relationship into some sort of exciting journey.
A plot could involve the reader being a healer of sorts. Flowey, being curious, approaches the reader. As they interact, the reader starts to show Flowey kindness that he's not used to. This kindness begins to thaw his cold, calculating nature. They could then go on adventures together in the Underground, with Flowey slowly becoming more protective of the reader. Also, the reader could introduce Flowey to new concepts like friendship and self - sacrifice, which would be a huge change for him.
One plot idea could be that the reader is a new ninja in the village and Sasuke is assigned to train them. Through the training sessions, they start to understand each other better and develop feelings. Another could be that the reader has a special power that Sasuke needs to help him in his quest for revenge, and as they work together, love blossoms.
One idea could be that the reader is a new resident in the haunted house where Beetlejuice lurks. They accidentally summon him while trying to fix up the old place. Another could be that the reader is a medium who can see Beetlejuice clearly and they form an unlikely friendship. Maybe the reader is a lost soul like Beetlejuice and they find common ground in their otherworldly existence.
One plot idea could be the reader being a new hunter who catches Hisoka's attention during the Hunter Exam. Hisoka decides to 'mentor' the reader in his own twisted way, leading to a series of dangerous and exciting adventures.
Another plot could be that the reader is a journalist investigating the strange disappearances around an old, abandoned studio rumored to be haunted by Bendy. As the reader delves deeper, they encounter Bendy and instead of being afraid, they start to see the misunderstood side of him. This leads to a relationship where the reader tries to tell Bendy's story to the outside world and protect him from those who would do him harm.
Well, a plot could involve the reader being a bit of a troublemaker in the village. But Krampus, rather than just coming to punish, he wants to reform the reader. He takes the reader on a journey through the shadowy parts of the forest, showing the reader the spirits of those who were truly bad. This makes the reader realize their own actions are not as bad as they thought and they start to change for the better. Also, the reader could be an artist who tries to capture Krampus' essence in a painting, and this draws Krampus to the reader in a curious way.
Another interesting plot could be that the reader is a time - traveler from the future. They come to Arendelle during Elsa's reign and know about all the events that are going to happen. The reader tries to help Elsa avoid some of the hardships she will face in the future, but in doing so, they accidentally change the course of history. This creates a complex situation where Elsa and the reader have to work together to set things right while also dealing with their growing feelings for each other.