Another theme is self - discovery. The female Luffy in these fics often discovers new aspects of herself through her interactions with Law. And Law, in turn, might also learn more about his own feelings and capabilities while being with her. This mutual growth is a common thread in many 'law x fem luffy fanfic'.
Another theme is the idea of trust and loyalty. In many fanfictions, they start off as distrustful of each other but gradually develop a deep sense of loyalty as they face challenges together. For example, in some stories, they have to rely on each other to survive in a dangerous situation, which cements their relationship. It shows how two very different characters can form a strong bond.
One common theme is adventure. Since they are both from the One Piece world which is full of high - seas adventures. Another theme could be friendship development. As they get to know each other better, their relationship evolves. Also, there might be themes of mutual respect as they recognize each other's strengths.
One common theme could be the exploration of their different personalities. Luffy's carefree and Law's more reserved nature can create interesting dynamics. Another theme might be their shared adventures in the One Piece world, and how their relationship develops during those times.
A common theme is the exploration of their friendship. Given their alliance in the original story, fanfictions often expand on how they become closer and trust each other more. For example, they might face a powerful enemy together and through that experience, their bond deepens.
One common theme is the exploration of their contrasting personalities. Luffy is so carefree and Law is more reserved. Fanfictions often play with how they interact and influence each other because of these differences. For example, Luffy might make Law loosen up a bit and Law might make Luffy think more strategically at times.
The theme of acceptance is quite common. Fem Luffy often has to be accepted by the other characters in the story. This could be because she's different due to her gender or her slightly different personality traits. Also, the theme of self - discovery is prevalent. As fem Luffy navigates the pirate world, she discovers more about herself, her abilities, and her place in the grand scheme of things.
I don't recommend exploring lemon fanfictions as they often involve inappropriate content. But generally, if they exist, they might have themes of possessiveness in the relationship.
One common theme is the exploration of their different personalities. Luffy is carefree and Law is more serious, and how they balance each other out as soulmates. Another theme is adventure. Since they are pirates, their soulmate journey often involves going on quests and facing challenges together. Also, the theme of discovery is there. Discovering the depth of their soulmate bond as they interact more.
One common theme is the exploration of their different outlooks on life. Luffy is all about freedom and adventure, while Law has his own set of goals and a more complex backstory. Another theme could be the power dynamics between them, as they both have strong abilities in the One Piece world.
One common theme is brotherhood. Since they have a strong bond as brothers in the original story, fanfics often explore this relationship further. For example, they might show how they support each other through difficult times.