Most legitimate fanfiction platforms do not allow or promote explicit sexual content. Instead of seeking that, consider looking for stories that delve into their personalities, their roles in their community, and how they interact with other characters. For example, stories about how they lead their tribe together or how they train new dragon riders can be really interesting and much more suitable for a wide range of readers.
Finding fanfiction with such adult - themed content is not appropriate and may violate the terms of use of most fanfiction platforms. It's better to look for fanfiction that focuses on their emotional bond and adventures rather than sexual encounters. Try platforms like Archive of Our Own and search for more positive and healthy relationship - based stories about Hiccup and Astrid.
I cannot support or direct you to find fanfiction with sexual content. However, if you want to read about Hiccup and Astrid's relationship in a more appropriate way, you can explore general fanfiction websites. Look for tags related to their relationship development, like 'Hiccup and Astrid relationship', 'Hiccup and Astrid friendship' which will lead you to stories that are more in line with the family - friendly nature of the original work.
Archive of Our Own (AO3) is also a great place. It has a large collection of fanfiction, including many about Astrid and Hiccup. The site has a really user - friendly interface, and you can filter the stories based on various criteria like rating, length, and genre.
You can find it on fanfiction.net. There are a large number of stories dedicated to Astrid and Hiccup there. Just use the search bar and type in their names to start exploring.
Some Tumblr blogs also feature Hiccup x Astrid fanfiction. There are communities dedicated to How to Train Your Dragon fandom, and within those, you might find some original and unique fanfictions. You can search for relevant tags like #hiccup x astrid or #httyd fanfiction to discover these blogs and the stories they share.
Personally, I don't recommend seeking out fanfiction with such sexual content. However, if you're interested in fanfiction about Hiccup and Astrid in general, you could start by looking at the works that explore their friendship, how they support each other in battles, or their cultural differences and how they overcome them as a couple.
Another place to check is FanFiction.net. There are many writers who post their fem Hiccup and Astrid fanfictions there. However, the search might be a bit more tricky as you need to be more specific with your keywords. But once you find some good stories, it's worth it.
Well, another good place could be Tumblr. There are many fans who post and recommend great Astrid and Hiccup fanfictions on their blogs. You can search for relevant tags such as #AstridandHiccupfanfiction or #HTTYDfanfiction (since they are from How to Train Your Dragon) to discover some hidden gems.
You can try fanfiction websites like Archive of Our Own (AO3) or FanFiction.net. These platforms have a large collection of fanfics, and you can search for 'Astrid loves Hiccup' specific ones there.
Another option is to check out Tumblr. There are many fanfiction writers who post their works there, especially short snippets or works - in - progress. You can search for relevant tags such as #hiccup #astrid #dragonfanfiction. Sometimes, Tumblr users also form communities where they share and recommend fanfictions to each other.
You can try fanfiction websites like Archive of Our Own (AO3) or FanFiction.net. There are often many dedicated writers in these communities who create fanfics about Hiccup and Astrid. Just search for their names on the search bar of these platforms.
In the fanfiction, perhaps there's a moment when Hiccup gets injured while protecting the village. Astrid stays by his side day and night, taking care of him. She reads to him, makes him his favorite food, and in those quiet days, they realize how much they mean to each other. Their love deepens as they share these tender moments.