Professor McGonagall with heavy dark circles and a look of annoyance is a terrifying Professor McGonagall. So when Mayumi marches into the hallways covered in paint and the biggest grin of her life just barely one time, Harry was almost certain she'd earn a detention. Instead the girl plops a paper box into their professor's hand, who barely acknowledges her, and marches right off to catch up to them. Ron regards the girl with faint, but drained wonder.
"How." He looks almost terrified of the answer he's about to receive, but Mayumi simply gives an elegant hair flip.
"Cat nip tea works excellent against sleep deprivation, appearantly." She pauses, "Even if I did cause some of them, I am compensating."
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