A Lamia (Snake-girl)

The woman is human from the waist up, and very attractive as well. Long red hair, a cute face and what looks to be a perky set of braless double-D breasts squeezed into her tight fitting yellow t-shirt. If it weren't for her pointed ears and the slitted pupils in her golden eyes, she could almost pass for human.

Until you get to her lower half, that is.

Slithering back and forth as she moves up your sidewalk, her lower half is that of a giant snake, shimmering red scales covering her twelve foot long tail. A short blue skirt covers her midsection, where the human half transitions to her snake half.

Giving you a shy smile that exposes two small fangs, she nods to you and says, "Hello. I'm Miia."

You turn to ask the agent how you're supposed to keep a giant python woman in your house, but as you turn to where she was standing, you see her van pull out and speed down the street, leaving you alone with the stunning lamia.