Discovery is another theme. They discover things about themselves and each other when they meet. For instance, Rebecca might discover a hidden strength in herself because of Vivi's influence, or Vivi might learn something new about her own abilities through their interaction.
Adventure is also a big theme. Since they come from different backgrounds, their meeting can spark an adventure as they explore new places or try to solve a mystery together. Like in some fanfictions where they are in a strange land and have to find their way back home.
One common theme is friendship. Their meeting often leads to the start of a strong bond between them. For example, in many stories, they start off as strangers but quickly become friends through shared experiences.
There's also 'Rebecca and Vivi's Adventure'. In this fanfiction, they meet during a quest. It's a really exciting read as they face various challenges together and learn about each other's strengths and weaknesses along the way. It has a great plot with lots of twists and turns.
A theme that often pops up is redemption. Maybe Nathaniel has made mistakes in the past and through his relationship with Rebecca, he tries to redeem himself. And sometimes, the fanfictions explore the theme of family, how their families (or lack thereof in some cases) influence their relationship and how they build their own little 'family' unit together.
Another theme is growth. Fanfictions such as 'Growing Together' show how Ted and Rebecca help each other grow personally and professionally. They learn from each other's experiences and become better versions of themselves, which is really inspiring.
One common theme is friendship. Nami and Vivi have a strong bond in the One Piece series, and fanfictions often explore how this friendship endures different challenges. For example, they might face a powerful enemy together and have to rely on their trust in each other to get through it.
One common theme is the discovery of self - through the relationship. Billy and Rebecca often learn more about themselves as they get to know each other better.
Overcoming hardships is also a popular theme. Since both characters have their own struggles in the original story, fanfiction might focus on how they help each other get through difficult times. For example, Asta's lack of magic initially and Rebecca's family situation could be elements that are intertwined in stories about them supporting each other through tough times.
Another theme is personal growth. Both Ted and Rebecca have their own issues to deal with, and fanfictions often show how they grow as individuals while being part of each other's lives. For example, Ted's homesickness and Rebecca's past relationship traumas are often explored in relation to their relationship.
One common theme is adventure. Since Luffy is an adventurer, the fanfictions often involve them going on quests or exploring new places together. Another theme is friendship. Their relationship usually starts as a friendship which then may develop into something more.
In many yugi x rebecca fanfictions, the theme of family also plays a role. Rebecca's family connections and Yugi's family - like bond with his friends can influence their relationship. For example, how Rebecca's family views Yugi and vice versa can add an interesting layer to the story.
One common theme is love against all odds. In many fanfictions, there are obstacles like family differences or social status disparities that Rebecca and Billy have to overcome to be together.