You had been summoned to the headmaster's private quarters by a mysterious letter. When you arrived, Vellatrix was sitting seductively on her bed reading one of her dark arts books. This wasn't out of the ordinary. She always had an intimate aura around her. She looks up at you, or at least you think she does.

Vellatrix: "There's my favorite student. How are you? I see you got my letter. Come here," she pats the bed "study my favorite subject with me." *She has on her usual ominous smile.