Well, often you'll see the theme of love conquering all. Despite their differences, their love is what binds them. And also, the theme of growth. Both Luffy and Hancock might grow as characters through their relationship. For example, Hancock might become more open - minded about the outside world, and Luffy might learn more about the importance of relationships. Also, there's the theme of loyalty, as they are loyal to each other and have to prove it in different situations in the fanfictions.
Well, a very common theme is the power dynamic. Hancock is a powerful pirate queen and Luffy is also a very strong pirate. How they interact in terms of power, whether it's Hancock being in awe of Luffy's fearless nature in the face of power or Luffy not really caring about Hancock's status, is often seen. Also, the theme of friendship and loyalty pops up. Even though Hancock has romantic feelings, there's also a sense of deep loyalty and friendship that is explored in many fanfictions.
The theme of self - discovery can also be present. Hancock might discover new sides of herself because of her relationship with Luffy. For example, she could become more open - minded or learn to trust others more, which is a big step for her as the empress of Amazon Lily.
A big theme is also about breaking barriers. Hancock is a proud and strong woman from Amazon Lily, and Luffy is a carefree pirate. Their relationship in fanfics often shows how they break cultural and social barriers between them. For example, Hancock's tribe has certain traditions and views about men, but with Luffy, she defies some of those. Also, friendship is a theme as Luffy values friendship highly and Hancock becomes part of his circle of friends in a special way.
Yes, there are quite a few out there. You can check some popular fanfiction websites like FanFiction.net or Archive of Our Own. Just search for 'luffy marry boa hancock' and you'll find a variety of stories with different plotlines, from epic adventures where they face challenges together as a married couple to more slice - of - life type of stories that focus on their relationship in a more domestic setting.
One common theme is the cultural clash. Boa Hancock comes from Amazon Lily which has its own unique culture, and Luffy has his own way of life. So, in many fanfics, there's a focus on how these two different cultures interact during the wedding preparations and the event itself.
Since I don't promote or encourage lemon - themed fanfics which may contain inappropriate content, let's focus on general themes for Luffy and Hancock fanfics. A common theme could be their unique relationship, with Hancock's unrequited love for Luffy at first and how it might develop over time. Another could be their adventures together within the One Piece world, facing enemies and helping each other out.
The theme of acceptance is also present. Hancock has a rather difficult past and her feelings for Luffy make her question a lot of things about herself. Fanfictions will sometimes focus on how Luffy's simple and accepting nature helps Hancock come to terms with her own identity and insecurities, and how she in turn becomes more integrated into Luffy's world.
A common theme is her beauty and the effect it has on others. Since she is known for her stunning looks in the One Piece world, many fanfictions play with this aspect, like how characters react when they first see her.
Well, it could start with small gestures. For example, Luffy might share his food with Boa Hancock, which is a big deal for him. This simple act could make Boa Hancock see his kindness in a new way. Then, as they interact more, they might have some accidental physical contact like brushing hands. These little things can build up the tension and start to develop their relationship.
One common storyline could be an adventure where Luffy, Nami and Boa Hancock team up against a powerful new enemy. They each bring their unique skills to the table. Luffy with his rubber powers and fearless leadership, Nami with her navigation and weather - controlling skills, and Boa Hancock with her strength and the ability to turn people into stone. Another could be a story centered around a love triangle between them, although this might be a bit more complex considering Luffy's rather oblivious nature when it comes to romance.