The word echoed through Isaac's mind, as though it were an empty cave, and the small praise was the only thing filling it. With the support of his arms gone, the side of Isaac's face buried itself against Derek's bed sheets, and the boy took in a deep breath, surrounding himself with the scent of his Master. It was distracting, and he didn't feel the brush of Derek's finger, until it was pressing against his hole.
"Ohh," he gasped. Isaac managed not to push back against the digit, but his back curved, parting the globes of his ass to the touch.