Hermione straightens her robes—tailored for the occasion. The collar is high—clasping at the front—but a circular cut out at the front shows a hint of cleavage, which Draco politely avoids looking at directly. Instead he holds out an arm, with a gentlemanly air that both does and does not suit him. She takes it, and realizes that that may have been their first unchaperoned conversation. She’s never been alone with him before, and he’d been charismatic and distracting enough to make her forget it.