Well, there's a fanfiction called 'Married Life of Hiccup and Astrid'. In this story, it shows how they balance their duties as leaders of Berk while being in a marriage. It has some really interesting plotlines about how they deal with the dragons in their married life too. And then there's 'Hiccup and Astrid's Union' which delves into their relationship more deeply, showing their love and respect for each other as they start a family.
There are quite a few out there. 'Love in Marriage: Hiccup and Astrid' is a fanfiction that starts with their wedding and then goes on to describe how they adapt to living together. It shows their small arguments and how they resolve them, which makes their relationship feel very real. Another one is 'Hiccup and Astrid: Married Bliss' where the author writes about their happy moments as a married couple, like going on dragon rides together and sharing secrets under the stars.
One great fanfiction could be 'A New Beginning'. It explores their married life as they face new challenges in Berk. Another is 'The Married Adventures' which focuses on their daily life and how they grow together. There's also 'Hiccup and Astrid: Ever After' which has a really heartwarming take on their married relationship.
Some fanfictions focus on their early days of getting to know each other. For example, a story where Hiccup is trying to teach Astrid more about Toothless and she is initially hesitant but then becomes fascinated, leading to a cute and heart - warming relationship development.
I've also come across 'The Hidden Cove'. Here, Hiccup and Astrid discover a secret cove. The story delves into their feelings for each other in a more secluded and romantic setting. It's a really engaging read.
It's popular because fans love seeing their favorite characters in a more developed relationship. Hiccup and Astrid are much - loved characters, and seeing them married gives a sense of completion to their story arcs.
One great fanfiction could be 'A New Adventure'. In this story, Hiccup and Astrid are happily married and they embark on a journey to discover new lands. It shows their strong bond as they face challenges together and support each other throughout.
There is also 'Hiccup and Astrid's Adventure'. This one takes them on a journey to a new land. The way it describes their interactions and how they rely on each other is really engaging. The author has a great writing style that makes you feel like you're right there with Hiccup and Astrid during their adventure.
One interesting plot idea could be Hiccup and Astrid going on a secret adventure to a new, uncharted island. They face new dragons and have to work together to survive. Another could be a story where they have to deal with a rift in their relationship due to a misunderstanding, like Astrid thinking Hiccup is spending too much time with a new dragon rider. A third idea is a time - travel plot where they go back in time and have to change something in Berk's history to save the future.
One popular one could be 'The Lost Tales of Hiccup and Astrid'. It delves deeper into their relationship as adults, with new adventures in the Viking world.
There's also 'The Bond of Hiccup and Astrid'. This fanfiction takes a different approach. It focuses on their love through small, everyday moments. For example, how they train their dragons together and steal glances at each other. It's a very sweet and simple story that really shows their deep connection.
A plot point could be a misunderstanding. Maybe Astrid sees Hiccup spending a lot of time with a new female dragon rider and gets jealous. This causes a rift between them, but then they have to work together to save Berk from a new threat. During this, they clear up the misunderstanding and their love becomes stronger.
Archive of Our Own (AO3) is also a great place. It has a very inclusive and diverse set of fanfictions. Just search for 'httyd hiccup and astrid' and you'll get a bunch of results. The site also has good tagging systems so you can easily find stories with the elements you like, such as adventure or romance.