It's difficult, perhaps, to make out the faint flush on Lahabrea's cheeks, especially on first glance. But should Byleth look close, it's there all the same. But even absent that confirmation the fact that those touches grow rapidly less tentative as Byleth leans into them should be more than enough to prove his growing desire.

As does the fact that he finally breaks his silence, offering a faint noise of what is unmistakably appreciation at teeth and tongue being involved. Something he returns in kind, as if a dam has finally broken. True, he is still not rough with any of it, but he has finally reached a point where he is willing to acknowledge the desire running through him.

He is, however, perfectly willing to let Byleth set the rhythm in regards to their cocks. Though he would have no objections to anything further, he cannot deny that this is perfectly enjoyable - and not something that would have occurred to him as a possibility now that he has a pair of cocks instead of just the one.

But neither does he stand idle. Instead, the tips of his claws press gently against Byleth's back. Gentle pinpricks, yes, but ones that are meant to see what Byleth might think of such things. Even if it means leaving off his more thorough explorations for the moment.