It might start with curiosity. Hiccup is intrigued by this new human - like Toothless. As they interact more, they could develop a bond based on mutual respect. For example, they might find they both have a love for flying, even if Toothless is now human and has to find new ways to experience it.
It could develop gradually. At first, they might be cautious around each other. For example, Human Toothless may be a bit shy because he's not used to interacting with humans in this form. The female Hiccup might be intrigued by his connection to dragons. As they spend more time together, like when they are training young dragons, they start to trust each other more. And trust can easily lead to deeper feelings.
At first, it could start with mutual curiosity. Hiccup, being used to his Toothless, is intrigued by the differences in Female Toothless. She might be more skittish or have different behaviors. As they spend time together, they start to trust each other. For example, Female Toothless might let Hiccup ride her for the first time during a chase when their normal escape routes are blocked.
Toothless would likely develop his communication skills further to better understand Hiccup's needs during the pregnancy. He might start to make more complex gestures or sounds. Hiccup would experience a great deal of personal growth. She would have to face the judgment of the village and learn to stand up for herself and her unborn child. The other dragons in the story could also develop in their relationships with Toothless and Hiccup. For example, they might initially be confused but then show support in their own dragon - like ways.
It develops gradually. At first, they might be just friends who respect each other's skills. But as they go on more adventures together, they start to notice little things about each other. For example, Hiccup notices how Astrid is always the first to volunteer for dangerous tasks because of her bravery. And Astrid sees how Hiccup's intelligence always gets them out of tough situations.
One common theme is friendship. Since Hiccup and Toothless have a strong bond in the original, this is often explored in a different way when Hiccup is female and Toothless is human. Another theme could be adventure. They might go on quests together, just like in the original but with a different dynamic.
One key theme could be the exploration of an unusual relationship. Since Hiccup is usually associated with Toothless in the dragon form, having a human Toothless creates a unique dynamic. It might explore themes of acceptance as they navigate their differences. Another theme could be adventure, as Hiccup is known for her adventurous spirit and with a new kind of Toothless, new adventures might unfold.
One common theme is adventure. Since they are based on the How to Train Your Dragon world, they often go on quests together.
There are many ways this fanfiction can explore their relationship. It could focus on their adventures together, their emotional bonds, or how they overcome challenges as a team.
You can try looking on fanfiction websites like Archive of Our Own or FanFiction.net. Just search for 'fem Hiccup x human Toothless' in their search bars.
Well, in these fanfictions, you might find Hiccup and Toothless facing greater challenges together, which strengthens their love. Or maybe there are new characters introduced that complicate their relationship but ultimately make it more meaningful.