Sulu couldn't care less about bruises. He wouldn't even care if Ianto drew blood at this point; his entire focus was on finding some kind of release, to the point that everything else was fading into the background.

His breath was gasping, but thankfully it wasn't from his allergies; instead, his body was just trying to build up the tension to the point where it would have to break, despite the fact that it just wouldn't work that way. "C'mon," he heard himself hissing, leaning in to suck at Ianto's earlobe, biting it as he spoke, "Come. On..."