(K thanks, my character is Estelle: Estelle Jones)
Estelle hurried through the empty corridors, her pulse racing. She was late for charms!
When Estelle reached the half-open door to the charms classroom she cast a quick disillusionment charm over herself and slipped inside, moving slowly towards the back of the classroom.
When Estelle reached the back desk she muttered the counter-curse and sat down.