Su Er nodded and stepped into the still-burning flames with Harry.
"Hogwarts."
After a spin, a force gave him a gentle push, and he landed on solid ground. Hermione came up to meet him.
Professor McGonagall was there as well. The veteran member of the Order of the Phoenix was filled with guilt the moment she saw Harry. She had already heard everything from Hermione, but she had known nothing of Harry coming to find her. At the time, she had been in Hogsmeade-
Half an hour later, in the disordered Headmaster's Office, Su Er still wore Aibo Nokhan's appearance as he bent down to pick up the silver instruments from the floor and set them on the desk. But he could only leave them piled crookedly together, because he had absolutely no idea how to assemble them.
Behind him, the former headmasters were all talking over one another about what had happened at the Ministry of Magic. They were exceptionally well informed.
A few of the headmasters apparently knew something about alchemy, too.
"Yes, that one. Put it on top of that one."
Su Er had no idea which was which, and when he asked-
"Oh, that one! I've never seen such a slow-witted student!"
Just look at that-he even got scolded.
Fortunately, just then, bright green flames suddenly leaped up in the empty fireplace, and a tall figure appeared amid the swirling fire. The elderly gentlemen and ladies crowded together in groups of three or five in the portraits returned to their own frames almost in the blink of an eye, all watching the fireplace along with Su Er.
The instant Dumbledore stepped out of the fireplace, applause and cheers rang out.
"Welcome back!" A somewhat younger headmaster, from who knew which era, took off his hat