The Golden Trio were three of the eight students who had decided to return to Hogwarts to complete their seventh year after having been interrupted by the war and a new class had been put into effect at Hogwarts by request of the Ministry. All seventh year students were now required to take a parenting class.

He can't leave the room. Her room. And it's all the Order's fault. Confined to a small space with only the Mudblood for company, something's going to give. Maybe his sanity. Maybe not. "There," she spat. "Now your Blood's filthy too!" DM/HG. PostHBP.