Stiles bit his bottom lip hard enough that it bled as he fought back his orgasm. He was denying his body the pleasure while he tried to give it to Derek. Stiles cried out when Derek went still and came balls deep inside of the human.
Stiles' body was trembling, adrenaline was pumping through his body as he clenched his ass down around Derek, milking the werewolf's cock, as his own laid hard and flushed between Stiles and the table.