It didn't matter if Ianto was playing up Sulu's nigh-on fetish for his voice. It didn't really even matter what he was saying, because all Sulu heard was the tone and the way his accent sounded like that. He dug his fingernails into Ianto's back, bucking his hips against Ianto's hands and groaning, something that sounded more like a growl than anything.

"Always up to a challenge," he managed, "Always with you, God damn it," and the words nearly came out right there, but Sulu wasn't going to let this be that moment. No way. He could feel his whole body going tense, a bowstring pulled tight and he dug his nails in, not realizing it as his back arched. "Almost," he gasped, not wanting to even exhale in case the tension relaxed, because he knew it was going to break, soon, and hard, and he wanted it so much...