"Oi! Time is up mate, don't make us go in there!" The lock jiggled on the door and Draco cursed again. He would need another minute to finish the edit he was making, but there was no time - He had to wait until next month. The lock jiggled harder as Draco stepped away from the witch after letting her memories fall into place and casting a charm over himself. Draco refused to take anything like Polyjuice lest he did not time the potion right or he didn't have time to let the changes take place - like now - but what he did use was a variation of the disillusionment charm. It allowed him to be seen by others, but they could not recall his face nor describe what he looked like to others.