Ianto fought hard to keep breathing deeply and his grip loose in the other man's hair, although he couldn't keep himself from being particularly vocal about the whole situation, sucking in a sharp breath as Sulu took him further into his mouth, letting out a throaty groan after that.

Ianto could only take so much more of that attention before he had to pry his hand out of the other man's hair, release the sofa cushion from his other, and put them on Sulu's shoulders. It took all of his self control to stop Sulu, but he'd been drinking, and his stamina was less than spectacular because of it, and as nice as it was, Ianto didn't want it to end like this. So, with his hands on Sulu's shoulders, Ianto groaned, pushing him away. "Nnnn, no," he managed. "Stop, stop. I... Not like this."