So This Is Christmas

At the age of 16, Sirius finally decided that enough was enough. After an awful row at Grimmauld Place with his mother, he decides to run away to the Potters. Missing his younger brother Regulus, will Sirius break under the heavy weight of his boyfriend's piercing stare, who is also at the Potters, or will he choose to internalize feelings that are bound to make him combust?