The Aggravation of Snoggletog Day

[HTTYD/Hiccstrid Modern Fanfiction] Snoggletog this time, Hiccup's father invites Astrid and her parents to Snoggletog Eve. Hiccup is very nervous about this, because it's not just the nuclear family celebrating but the extended family. Hiccup is about to introduce his girlfriend to his 'lovely' siblings and cousins.