Right before Care of Magical Creatures, Mayumi, chewing on the straw of her milk carton, was seen hauling a wooden crate of burn cream into the common room.
No one know where it came from, no one questioned it, and silently, every fourth year took at least ten tubes before heading back down to breakfast.
And as the Blast-ended Skrewts made their appearance, all silently agreed that they own Mayumi, a lot of caramels.
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