I SOLEMNLY SWEAR THAT I AM UP TO NO GOOD™ SEAT CUSHION

I SOLEMNLY SWEAR THAT I AM UP TO NO GOOD™ SEAT CUSHION
by harrypotter
Planning to sneak into Hogsmeade for a butterbeer? Having a midnight duel in the trophy room with Draco Malfoy? Maybe you promised Hagrid you'd feed Fang or teach Grawp some English while he's away. I