Ugly Duckling

She cursed herself for using her lips to hurl insults at him when she could have been doing this instead. His kiss didn't taste like firewhiskey after all; it tasted like making up for lost time.

Summary: Sebastian and his fellow Slytherin have had a contentious relationship ever since he ruthlessly mocked her appearance on their first night at Hogwarts. When their conflict comes to a head, she realizes she may have been wrong about him after all.