Professor Black

Sirius black somehow survived the war and was hiered at Hogwarts as the Ancient Runes Professor. the only problem is that the one man he hated since he was in school survived the war as well. he's not upset that Severus Snape survived, he's mad that Snape is the new Headmaster of Hogwarts and that means he works for him now. one day he in his class taking attendance when he froze on a familiar last name.