The pointed tip of the tail traced up Ylene's thigh and grazed lightly along her smooth labia as Hailton's arms came around to caress the drow's buttocks and back.  She leaned in and whispered, "Oh, I'm very much in control of my tail.  But then as Ylene's fingers grazed the teifling's asshole, she let out a gasp and then leaned forwards and nibbled at the drow's ear.  "Well, I'm in control except when you do that, then I might lose control."<br/><br/>Her teeth closed lightly on the lobes of Ylene's ear as her tail seemed to split ylene's labia gently, penetrating her ever so slightly as her breathing began to grow quicker.