You can start by looking on fanfiction.net. It has a large collection of various fanfictions, and there's a good chance you'll find 'tom hurts marco' fanfiction there. Just use the search bar and type in relevant keywords.
One good 'tom hurts marco fanfiction' could be one where Tom tries to win Star back by causing small troubles for Marco. For example, he might use his demon powers to create minor inconveniences for Marco at school, like making his locker stick or his books disappear. However, in the end, he realizes that this behavior is wrong and they end up making amends.
Star would be a likely candidate to rescue Marco. She has strong magical abilities and a deep friendship with Marco. She would stop at nothing to find him and bring him back safely.
One possible plot could be that Tom kidnapped Marco out of jealousy. Maybe he saw Marco getting too close to Star and decided to take matters into his own hands. He might take Marco to a far - off dimension where Marco has to figure out a way to escape while also dealing with Tom's insecurities.
The themes could also include redemption. After kidnapping Marco, Tom might realize the error of his ways and try to make amends. And there could be a theme of friendship. Even though Tom has kidnapped Marco, the story could explore if their friendship can be salvaged.
I'm not sure specifically which 'tom kidnaps marco fanfiction' you are referring to. There could be many different interpretations and stories with such a premise in the fanfiction world. It might involve a complex plot where Tom, for some reason, decides to kidnap Marco. Maybe it's due to jealousy, or a misunderstanding in their relationship within the context of the original story it's based on.
A prevalent theme is acceptance. Marco has to accept Tom's devilish nature, and Tom has to accept Marco's human quirks. Also, the theme of adventure often comes up. They go on all sorts of adventures together, which helps strengthen their relationship. In some fanfictions, there's also a theme of self - discovery, as they learn more about themselves through their relationship with each other.
One common theme is possessiveness. Tom, in his yandere state, is often extremely possessive of Marco. He doesn't want anyone else to be close to Marco and will go to great lengths to keep others away.
The interesting part could be the exploration of their relationship in a different light. Since lemon usually implies a more mature or romantic aspect, it can show a deeper emotional and physical connection between Tom and Marco that might not be as fully explored in the original source material.
Well, the theme of acceptance is quite common. Tom, with his demon nature, and Marco, with his own quirks, learn to accept each other fully. Also, adventure is a popular theme. They might go on quests together, facing challenges that strengthen their bond. For example, in many fanfictions, they have to battle supernatural forces and in the process, their relationship deepens.