Upon the burning of our house

When a freak fire burns Gryffindor tower to the ground, all of the Gryffindors find themselves temporarily without a place to stay. When Dumbledore decides that the Gryffindors will have to be resorted until the tower has been rebuilt, Harry is forced to face certain people he would rather stay clear of. Snape mentors Harry fic /Resorting/ Later mentions of abuse.