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.
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.
Some fanfics may have a theme of self - discovery. As they interact, both Billy and Rebecca might learn more about themselves, their strengths, weaknesses, and what they truly want in life, all within the context of their relationship.
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.
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 redemption. Billy is often portrayed as a character who has made mistakes and through his relationship with Steve, he finds a path to redemption. For example, in many fics, Steve's kindness and understanding help Billy change for the better.
One common theme is the exploration of their unique relationship. Given their different personalities in the show, fanfictions often play with how they interact and grow closer. Another theme could be adventure, where they go on some crazy quests together.
One common theme is the idea of redemption. Billy often has a troubled past, and in the fanfictions, Steve can be a part of his journey towards becoming a better person. For example, in many stories, Steve's kindness and understanding help Billy deal with his inner demons.
One common theme could be the exploration of their relationship in a world that might not always be accepting. It could show how they support each other through difficult times.
Common themes in this type of fanfiction include the exploration of power dynamics. Since David may have different levels of cybernetic enhancements compared to Rebecca, how they deal with the resulting power differences can be a theme. Also, the theme of redemption might be present. Maybe one of them has a past they are not proud of, and through their relationship, they seek redemption. And of course, the theme of friendship or love, as their relationship is a central focus in these fanfictions.