One common theme is friendship. Often, Bella and Jeremy start as friends or become friends during the story. Another theme is growth. They both grow as individuals while in the relationship. For example, they might learn to be more confident or understanding.
Well, 'Jeremy and Bella: Unlikely Allies' is also a nice piece of fanfiction. In this story, Jeremy and Bella start off as enemies but gradually realize they have more in common than they thought. It's full of great character development and some really touching moments.
There's a fanfiction where Bella becomes Jeremy's mentor of sorts. This story delves into how Bella, with her knowledge of the supernatural from her own past, helps Jeremy better understand the vampires and other creatures in Mystic Falls. It's really cool as it combines elements from both universes in a unique way.
You can try Archive of Our Own (AO3). It has a large collection of fanfictions, and you can easily search for Bella and Jeremy Gilbert ones. Just type in their names in the search bar, and a bunch of relevant stories will pop up.
Elena would definitely be one of the first to try. She loves Jeremy and would do anything to save him. She would probably start by looking for Damon's usual hiding places.
Jeremy in the 'jeremy monster story' might be a young adventurer. He could be someone who is curious and that's why he gets into a situation with a monster. For example, if the story is set in a magical land, Jeremy might be exploring and accidentally disturbs a monster's lair.
It might include a vampire hunter who is on Jeremy's trail. Also, Jeremy's family members could be important characters as he tries to protect them from the vampire world he has now become a part of.
Another aspect could be how they plan for the future. They might decide to move away from Mystic Falls to start a new life. This would involve leaving behind their vampire - filled world and trying to build a normal life for their baby, which is full of both difficulties and hopes.
Since we only know about the 'jeremy zoe secret story', it's difficult to say precisely who they are. They could be individuals in a small town where everyone knows each other and this secret story is something that only a few are privy to. They might be artists who have a secret creative process that they don't want others to know about. Or perhaps they are athletes who had a unique training experience that they are keeping under wraps.
I'm not sure if there is specifically a 'Bonnie and Jeremy make love' fanfiction. Fanfiction varies greatly in content and availability, and this kind of romantic or sexual - themed fanfiction might not be common or might even violate some platforms' rules.