She seems closer to human than some--but there is that near invisible seam running down her body to contend with, and the fact that her skin is just a little too smooth. On the other hand, she certainly has a certain human body part, if the way she's grinding against him is any indication.

She pulls back a moment to give him space to breathe, and then--

"We're not done with you yet," she--they--say as they pull apart into twins: each taking one side of him, returning to kissing his face, taking turns with his mouth. Now the pressure against his thigh is only on the right side.