Hiccup had made up her mind. Dragon killing was not for her, no matter how much her father protested, she was done with it. She was done trying to fit in. She was going to be who she wanted to be, it's not like anyone cared. [A female Hiccup AU which leans heavily on the first movie, but isn't just the movie with changed pronouns.]

A one-shot.

Any fight he had in him drained. He looked into her eyes again, finding only understanding there, she put an arm around him, giving him a side hug. "I understand," she said, her voice soft, "but Hiccup, you can't keep avoiding that place, for your own sake, we have done this many times, spying on Berk is nothing new."

Explanations on how the chapters came to be in 'Watchtower of Horrors (Stories that Hiccup Laughs At)'

Scaring Hiccup with scary stories is their plan. Hiccup laughing at the stories? Weirder things could happen.