"I'll be careful, master." Riley replied, his voice slightly muffled by Tao's cool skin. His balance was off because of his arms and that made it easier for him to lean in even more. He pressed the tip of his tongue under the tip of Tao's cock and sucked it between his lips. There wasn't anything inherently arousing to him about the prospect of having Tao in his mouth, but his own cock was already twitching insistently, and the voice the vampire was using was incredibly sexy, so he would be good. After about a minute or so of gentle suction with his lips and tongue, he leaned in more and took another inch of Tao into his mouth, groaning against his skin.