That day, the "surprise" Professor Lockhart had prepared for everyone—a group of dwarves he had hired—constantly barged into classrooms to deliver Valentine's Day cards to students.
It was one thing for these "Cupid dwarves" to deliver Valentine's Day cards, but upon handing them to the recipients, they would reach behind their backs, pull out harps, and loudly sing the contents of the cards.
Not only did this leave the recipients utterly mortified, but it also drove the professors absolutely crazy with annoyance at the rude dwarves. No one wanted their classes interrupted for no good reason.
Chapter 549