It was all for love - httyd fanfic
Hiccup has loved Astrid for as long as he could remember and believes the only way for her to love him is, if he captures and kills a night fury. 
When he finally captures a night fury there is a change of plans, as he's been placed first in dragon training he plans to flee the village but gets caught and everything changes. 
Astrid who has always had a crush on Hiccup gets worried when she overhears a conversation the village was having about him, and decides to try and find him in the woods but instead discovers a big secret he hides. Finding this out, she decides to stay loyal to the one she loves.
Top ranks:
🏅4, #Astridhofferson, 5/20/25
🏅9, #Runaway, 6/27/25 
🏅1, #hicstrid, 6/27/25
🏅1, #astrid, 8/25/25