Whatever the ghost smile had been, it was gone in favor of Draco's usual scowl, though it was softer than usual, and he stood up again and then gave her one nod before instinctively holding out a hand to help her up. Not that she needed it, of course, and he realized a moment later what a ridiculous thing it was to do.
"Where shall we go, then? You made Prefect this year, didn't you? We can look for Hufflepuffs to assign detention to." Which sounded particularly boring, actually, but Draco also didn't think he could suggest anything else that wouldn't end up sounding like a date.