A full body shudder goes through him, making him clench briefly around Ianto's slowly thrusting cock. It's tortuous and exquisite and utterly captivating. He could't do anything but obey that command, even if he wanted to.
"Ianto, please!" he gasps and, yeah, he sounds desperate even to his own ears. It's so long since he's had anything like this, and it's driving him insane, waiting for Ianto to just start pounding into him, to take his pleasure and really make him feel it.