[a thin hiss escapes Lan Wangji at the press of unfamiliar sharp teeth, not exactly displeasure; he was already half-hard again before Wei Wuxian took him into his mouth, and everything he does, the sight of him there, gets him going again like nothing else.

it is an effort not to brace his feet more firmly, to simply hold Wei Wuxian's head in place and drive his hips up into that heat. it is an effort to remember he will not be able to take it, to let him go at his own pace. stay still, he reminds himself, muscles trembling with how hard they're locked.]