They walked all the way back the way they had come, until they passed through the underground stairs and stepped into the Potions Office.
As the stone door closed behind them, all outside sounds vanished, leaving only the sound of their breathing echoing in the empty office, carrying a slightly ambiguous quality.
Alistair took a deep breath, looked at Snape, and said somewhat awkwardly, "Um... it's your birthday now, is there anything you'd like to do?"
Chapter 414