(Swapped life au. Elsa takes Hiccup's place as the chief's son and Hiccup takes Elsa's place. Hiccup has fire powers which he's been told he's a danger to everyone around him including his younger sister Anna, then there's Elsa who is the chief's daughter and tries to make her father proud but Astrid steals her spot light and thunder every chance she gets. But that all changes when they meet and cross paths.)

In Hiccup's life he's been called awful things but the only people defend him is his parents but they hid him all his life.

Elsa was on the same boat with him.
Her mother Protect her but she's always compared to other girls because she wasn't like them.

Hiccup has powers that can melt and burn things and that's why he's always far from things and people.

One day Hiccup and his family goes on a trip and their boat gets caught in a bad strom causing them to wreck on Berk. He wakes up unsure about where he is but things seem familiar to him, he hears the voice of a female.

He hides only to see Elsa. He blushed seeing how she managed to get off a white dragon that was beautiful but she spots him and they look into each other's eyes. "Uh hi...bye!" She said running.

Later

As he walked in the village people looked at him and whispered talking about him. Nothing new. He knew back home he wasn't meant to be there but here it's different.

"Oi who are you?" Said a boy looking him up and down "Prince Hiccup Haddock the third." He laughed looking at him "Prince? Try wimpy."

He felt anger every day got harder for him he felt his power grow more and more until his gloves melted and smoke was coming from him "How dare you speak to me that?!" He said as fire came from his hand.

He realized what his mother taught him about self control. "Whoa what in Gods name was that?!" Said a boy who seemed to be a twin "Uh my power I have fire powers." They looked at him in awe. "Guys we have training to do." Said Elsa "Who was talking to you weak link?" Astrid pushed her "Hey don't talk to her like that and don't treat her like that either." He said as she looked at him "Um fire boy I don't know if you have a clue but she does what I say because I'm better, stronger and more importantly better then her in combat." Said Astrid "Too bad your personality is awful and your disrespectful I wouldn't want to be friends or date a girl like you." "Ohh."

Said the group. "What? Your choosing this thing over me?" "Yes because unlike you she has not only a great personality but a great heart and soul and she treats people better than you have in your life." Everyone shook their heads in agreement.

He helped her up on her feet.
"Thanks so much Hiccup." "No problem."

After that sparked a wonderful friendship which led to something more. Hiccup caught feelings for Elsa and he wanted to be with her.

His parents and sister were never found so the chief adopted him but he was hoping to find his sister Anna as well. "Where are you guys?"

Years passed and Hiccup and Elsa have grown closer and became boyfriend and girlfriend. "Hey baby it's a bit cold." "No problem m'lady." With a snap a warm fire was made and wrapped his arm around her to keep her warm.