Derek watched as Stiles as flipped idly through the book he was holding. Stiles's long legs hung slightly spread over the arm of Derek's favourite chair, his head resting on the other arm. That chair is going to smell like him for weeks Derek thought as he wetted his lips. Derek's eyes continued to travel along Stile's lounging body while illicit thoughts that involved the boy's lips, hands and tongue played through his mind.
Stiles's eyes suddenly flicked up from his book meeting Derek's gaze. "See something you like, Sourwolf?" Stiles asked, his eyes fixed on the now blushing werewolf.