Crimson Skies (OC X Astrid )

After Hiccup saved all the vikings and taught everyone to unite with the dragons instead of killing them. Berk seemed to be at piece and everyone now lived with their dragons.
A boy who once left Berk to seek a new life returns to Berk to see the new changes Hiccup has brought to his home town.
How will the boy who left long ago feel about the changes to his home island.