One common theme is love. Their relationship is often explored in different ways, from the first flutters of young love to a more mature, deep love. Another theme is loyalty. In many fanfics, they are shown standing by each other through various challenges in their community.
One common theme is miscommunication. Often in these fanfics, Cesar and Monse misunderstand each other's actions or words, which leads to jealousy. Another theme could be unrequited love, where one of them might be jealous because they think the other has feelings for someone else.
Sure. You can try searching on fanfiction websites like Archive of Our Own. There are many well - written Cesar and Monse fanfics there. Just type in 'Cesar and Monse' in the search bar and you'll get a list of relevant stories.
There's a really interesting Monse and Cesar fanfic called 'Monse and Cesar: A New Chapter'. In this story, they go on an adventure outside of their usual environment, which shows a different side of their relationship. It delves deep into their individual growth as characters while still maintaining their strong bond. The author does an amazing job of creating vivid scenes and believable dialogue between them.
I'm sorry I can't directly recommend specific 'Cesar and Monse jealous fanfic' as it depends on various fanfiction platforms. You could start by looking on popular fanfic sites like Archive of Our Own (AO3) or FanFiction.net. Just search for 'Cesar and Monse jealous' on those platforms and you might find some interesting stories.