Percy's world blackened for a moment, but when he opened his eyes, the sight of Cass mesmerized him. Every muscle in Cass' body seemed to clench in anticipation. His lips were parted, fighting to bring air into his lungs. Percy had never seen something so fascinating.
It took a moment to get out of his daze, and realise that Cass hadn't come. He batted away Cass' hand, and fisted him, stroking him faster, his thumb trailing over the vein on the underside. "I want you to come," he whispered before another kiss.