A powerful vampire lord could be the main antagonist. This vampire lord could be ruling over a hidden vampire society and sees Lupin as a threat to his power, especially if Lupin is starting to gain vampire - like abilities.
Another theme is the idea of redemption or change. Some fanfics explore the possibility of Lupin turning over a new leaf, or Zenigata realizing that there's more to Lupin than just being a criminal. This can lead to some really interesting character development.
One idea could be that Lupin discovers he has a vampire ancestor and starts to develop some vampire - like abilities which he has to learn to control while on a heist. Another could be Lupin teaming up with a vampire hunter to steal a powerful vampire - related artifact from a group of evil vampires.
One popular lupin the 3rd x zenigata fanfic is 'The Unending Chase'. It delves deep into the complex relationship between Lupin and Zenigata. In this fic, their cat - and - mouse dynamic takes on new dimensions as they are forced to work together in an unexpected situation. It's full of action and some really interesting character interactions.
One key moment was when Sirius discovered Remus's secret of being a werewolf. Instead of shunning him, he and the others became Animagi to keep Remus company during his transformations. Another was when Sirius escaped Azkaban and reunited with Remus. Their friendship was rekindled, and they stood together against the rising dark forces in the wizarding world.
There was a school play where an actor forgot his lines. Instead of panicking, he started making up the most hilarious lines on the spot. The whole audience was in stitches. It was a great example of how mistakes can turn into something really funny at school.
One interesting character is the street performer. In funny rd stories, they might be trying to do a magic trick but end up making a fool of themselves. For example, the magician's rabbit might run away down the rd and he has to chase it in his big, floppy magician's hat. Another character could be the ice - cream man. His truck breaks down on the rd and all the kids gather around, trying to help him fix it while also hoping for some free ice - cream.
Sure. One funny rd story is about a dog that chased a cat all the way down the road. The cat ran up a tree but the dog didn't realize it and kept running around the tree barking for ages. Another one is a man who was walking down the rd and his hat blew off. He chased it for so long that he ended up in a completely different neighborhood.