Yes, it's a complaint.

[ the hiss is from the pleasure already warming his blood, chasing away the chill of the night effortlessly even as he faces out into darkness completely naked. everyone else has left.

... probably. Diluc can't be bothered to use crane his ears to hear, not when he's got better things to focus on. and maybe he tightens up just a little bit at the thought of being on full display as he rides Kaeya's knot. that doesn't mean anything!

somehow Kaeya's dick feels like it's getting even deeper, and Diluc can hardly keep his voice down as he begins riding him in earnest, using the muscles in his legs to give his alpha a show. he wonders if he'll ever stop feeling this, an urge burning in his instincts to please his alpha and show him just how good he is. it's probably Kaeya who just makes him feel like this at all. ]

Just because you have a few inches on me -

[ unbeknownst to him, his own tail slinks around one of Kaeya's forearms, curling around it and holding on tightly in a silent demand to keep going. ]

- doesn't mean anything - I could - mm, destroy you, if I wanted to -