One common theme is adventure. Since Hiccup is often associated with adventure in the original story, these fanfictions might continue that trend. The male reader could join Hiccup on her dragon - riding adventures. Another theme could be friendship - turned - love. They start as friends, maybe comrades in dragon - training, and then develop deeper feelings for each other.
One great male reader x fem Hiccup fanfiction is 'A Different Kind of Bond'. It focuses on a male reader who is new to Berk and forms a unique relationship with Hiccup. The story has a lot of adventure elements as they go on dragon rides together and face challenges in the Viking world.
Friendship turning into love is also very common. At first, they might be just friends or comrades, but as they spend more time together, feelings start to develop. In some fanfictions, this is shown through small gestures like sharing a meal or protecting each other from danger. It's a sweet and natural progression that readers often enjoy.
One place to start looking for 'fem Hiccup x male reader fanfiction' could be Archive of Our Own (AO3). There are often a variety of fanfics in different fandoms there. Just search for the relevant tags and you might find some interesting stories that match this pairing.
One common theme could be adventure. Since both Hiccup and Merida are known for their adventurous spirits in their respective movies. They might go on quests together in the fanfiction.
One possible plotline could be a role - reversal adventure. Since Hiccup is female in this scenario, she might face different challenges in dragon - training compared to the male Hiccup in the original. And Astrid, as a male, could have a different dynamic in their relationship, like being more protective or having different communication styles.
One characteristic is the exploration of a unique bond. Since Toothless is a dragon, a female version adds a different dynamic to the relationship with Hiccup. It often involves adventure as they fly together and face challenges in their world. Another aspect is the emotional connection. Writers usually focus on how they understand each other on a deeper level.
Another option is to check out Tumblr. There are often fanfiction communities and blogs dedicated to sharing and discussing different fanfictions. You might be able to find some Fem Hiccup x Male Merida fanfictions there, or at least get some leads from the community.
In many Fem Hiccup x Tuffnut fanfictions, there is a theme of acceptance. Tuffnut may have to accept Fem Hiccup for who she is, especially if she has different skills or a different way of thinking compared to the male Hiccup. And vice versa, Fem Hiccup might need to accept Tuffnut's quirks. There can also be themes related to the power of teamwork, as they often team up in the stories to face various threats in their dragon - filled world.
Another popular trope is 'hurt/comfort'. In Hiccup x Reader fanfiction, it often involves Hiccup getting injured during a dragon fight or some other dangerous situation, and the reader character taking care of him. This trope allows for a lot of tender moments between the two characters and can really deepen their bond. It also shows the caring side of both characters, with the reader being nurturing and Hiccup being vulnerable yet trusting.