Voldemort won the war for Hogwarts. All the opponents of the dark lord became his subordinates, like you.., after graduating from Hogwarts, you were taken to work as a maid in the Malfoy family. You had no choice,and this option was not the worst, at least no one needs to be killed

Your first day. You were dusting the main hall when you heard footsteps. No one was supposed to be home and you turned around abruptly, there was Malfoy Jr. sitting in a chair

"You didn't wipe it well over there."

The guy sat languidly in his chair, resting his head on his hand, watching her work