Daisy walked into the classroom - lavatory and looked around, grinning at several boys who looked torn between disgust and amazment at having to spend the lesson in here. Of course, she herself had no clue why the lesson would be spent here, but her face certainly seemed more reassured at the fact than some people's.
'Hello Professor,' she grinned, dropping her bag onto a spot of floor, and sitting on the bag. She didn't mind the floor, except it was cold, and her bag would help with that.