"I really do wonder how you’ve ended up in Slytherin sometimes," McGonagall murmured, echoing his thoughts. "Fine. Since you are an exemplary student and this is your first misdemeanour, Miss Granger, I will take fifteen House points and you will serve the same detention as these boys. Trust that I will not be quite so lenient should something like this happen again. That goes for all five of you —you included Mr Longbottom!" Neville yelped where he was still munching on his biscuit. "Evan—" Evan straightened up immediately, looking like he’d barely stopped himself from yelping.