Unexpected Friends

ROTBTD. Hogwarts. Multiple series crossover. Hiccup was excited for the day he and his cousin, Merida, would join Hogwarts. But when he sees a playful boy from his trip to Diagon Alley, being hurt by his blood status, he decides to go to all means to make sure he has a friend who will look for him. HiJack. Yaoi, yurik hetero and tcest.