[since Lan Wangji didn't want to come, he takes it slow and easy; his cheeks hollow out when Lan Wangji fucks forward, letting him set the pace instead of teasing him. he's more careful than usual, less hurried, determined not to mess up by choking or inhaling too much water. since his own desire is simple he lets himself indulge in it. in the space where Lan Wangji is hilted deep inside his mouth, he sucks and savors; when he pulls out a tongue chases after him, never giving him a moment to fully collect himself. his lips spread in a smile when he hears a groan, with just the barest hint of teeth scraping along Lan Wangji's cock as he moves]