It's rather fortunate Sephiroth didn't voice any of those observations aloud. Zechs tended to try and stay close to his partners after orgasm - bringing them in, holding onto them. So far, nobody had managed to bring that little habit of his to light. Otherwise, he'd be far more self-conscious about it.

The little smirk made Zechs chuckle, breathless - and then he groaned again as Sephiroth began to move. He knew his body in this set of circumstances well. Over-sensitive. Like every draw of that thick cock inside of him was just that much more intense, nearly painful. While spent, he felt aroused, more than willing to keep this going.

He's young, though, and before too long he'd start slowly getting hard once more.

"Don't stop," Zechs demanded, even as a thrust in him made him groan again, "not until you're satisfied."