So you stole the saviour of the Wizarding World

In a alternative universe, Harry Potter is raised by Severus Snape and Regulus Black, after being rescued from the Dursleys at the age of three. How will the wizarding world react when the Boy-Who-Lived is sorted into Slytherin and the presumed dead Severus Snape and Regulus Black start working at Hogwarts? Or Harry lives with Severus, Regulus, three children that are like siblin