After driving Peeves away, Professor Lupin led the Little Lions to the professors' common room.
The professors' common room was long and spacious, and its walls were nicely decorated. However, the corners were piled with various discarded items, such as battered chairs and tables with missing legs.
After all, the professors didn't care much for this place.
Professors other than the Heads of House didn't actually have that much work.
So when they stayed at Hogwarts, they went back and forth between their classrooms and offices. The house-elves delivered all three meals straight to their offices.
Professor Trelawney, who rarely ever left her rooms, was the most typical example.
Of course, the other professors weren't quite as lazy as Professor Trelawney. They all had their own research projects.
As for the Heads of House, they liked this place even less.
After Professor Snape became Head of Slytherin, it took only two years for Slytherin to start winning the House Cup, beginning a streak of consecutive victories.
And whenever the Heads of House met privately, Professor Snape always liked to show off, remarking on how well his students were doing.
Whenever that happened, even Professor Sprout, who had the mildest temper, secretly regretted not giving Snape more detentions back in the day.
Did he really think they didn't know how Slytherin won? They just had some dignity and didn't rack up points so brazenly!
After hearing him brag twice, the other Heads of House started making excuses about their research and rarely came here.
But after Gryffindor won two years in a row, Professor McGonagall's research into Transfiguration abruptly came to an end, while Professor Snape suddenly had a burst of inspiration and came up with a new Potion project.
However, Professor Snape had, unusually, set aside his Potion research and