By the time he added the final component and turned down the heat to let the potion simmer and thicken, Hermione's knickers were thoroughly damp. His long, elegant fingers were equally suited to potions work as they were to finding exactly the correct spot to make her scream, and Hermione found herself focused on them as he finished and turned to her. She knew she was flushing, could feel the heat creeping up her cheeks as he raised an eyebrow at her. "You alright there, Granger?" he asked, cleaning his hands with a flick of his wand.