A third common theme is secrecy. Given the nature of the Upper East Side society in 'Gossip Girl', many fanfictions have Chuck and Jenny keeping their relationship a secret at first. This adds an element of mystery and drama, as they have to hide their feelings and interactions from the ever - watchful eyes of the gossip - mongers in their world.
I really liked 'Jenny and Chuck's Redemption Arc'. This fanfiction takes the idea of Jenny and Chuck growing from their past mistakes. It has a lot of emotional depth and shows how they could have developed in different circumstances.
One common theme is friendship. As mentioned before, they can be really good friends in fanfiction. Another theme could be rebellion. They both have elements of rebelling against the norms of their Upper East Side world. Jenny with her fashion choices that are not always in line with the preppy style, and Eric with his own journey of self - discovery that goes against the traditional expectations of his family.
One common theme is the exploration of their individual growth. Jenny is trying to find her place in the Upper East Side world, and Damien is often dealing with his own family or personal problems. Fanfictions may focus on how their relationship helps them overcome these challenges. Another theme could be rebellion. They both have an edgy side, and stories might show them going against the traditional Upper East Side rules together.
One interesting plotline could be Jenny trying to outwit Chuck in the fashion business. Since Jenny is interested in fashion and Chuck is a shrewd businessman, their interactions in this area can create a lot of drama.
There's a concept of an alternate universe where Jenny and Chuck are the ones running the Upper East Side instead of Blair and Chuck in some ways. This flips the script and shows a very different side of their characters.
Love and passion are common themes. Their relationship was so intense on the show, and fanfiction often explores that further.
Chuck is also a great character in fanfiction. His complex personality, with his charm and ruthlessness, makes him a fascinating subject. Writers can delve into his past and how it shapes his actions towards Jenny.
There's also 'Chuck and Jenny: A New Chapter'. In this fanfiction, it's set a few years after the events of the show. Jenny returns to the Upper East Side, and she and Chuck cross paths again. Their old feelings resurface, but they have to deal with all the drama and gossip that comes with it. It's really interesting as it delves deeper into their characters' growth over time.
Adventure is another theme. They might be on a quest together, or facing some kind of danger in the story. This adds an exciting element to the fanfic and shows how they rely on each other in tough times.
Well, revenge is a theme that pops up in some Jenny Agnes fanfiction. Maybe they are seeking revenge against those who have wronged them in the Gossip Girl world. Romance can also be a theme, not necessarily between Jenny and Agnes, but their love lives and how they navigate the complex world of relationships in the Upper East Side. And power struggles are often explored. They might be trying to gain power or status in the society they are in, with all the drama that entails.