Kiska

He made a frustrated noise. "You have cat ears, Granger."

She whirled on him, wand levelled at his throat. "Keep your voice down."

"You have cat ears," he said again in a stage whisper. "You cannot possibly expect me to pretend I don't know that. Am I supposed to believe that Potter and Weasley simply accepted this news when they found out?"

In which Hermione has cat ears in 8th Year and Draco finds out.