Let's see what happens first...

You duck around the corner, pretending to run away.

You wait a moment and look back around the corner just in time to see the girl and the blob of heat disappear around a corner at the end of the alley.

You run past the restaurant's back door when it pops open suddenly. Your pistols are out before the door even opens, your enhanced reflexes kick in hard. A man stands there, mouth hanging open.

"Go back inside, don't tell anyone I'm here. If you do your disappearance will go entirely unnoticed."

The man nods before fumbling with the door and slamming it shut.

You continue down the alley, pistols ready. You get to the corner without a sound and peek around down to the makeshift fence about 30 feet away from the corner you're standing at. There's the girl, in the corner by the fence.

The creature reveals itself, it is a sickly transparent white. You can see its organs until the skin goes opaque. It is tall, about 10 feet if it weren't hunched over. It has a long tail with a barb on the end that still drips with some of the poison it stung the waitress with. It has a broad head that looks like a frog and its arms look amphibian as well except for five claws about 6 inches long at the ends of the fingers.

The white creature extends one clawed hand and shreds the waitresses clothing in a few precise motions.

The girl lays there helplessly, still unable to move. Tears run down her cute face as she tries to scream. Her mouth can almost form words, but her lungs can barely breathe for her, much less scream.

The shreds of cloth now fall from her body... And what a body it is, perky round tits, long smooth legs, and a nicely shaved pussy... She lays there in the pile and turns her head slowly to face the creature or, more particularly, a growing protuberance between its legs.

She starts to struggle, her body seems to be regaining some movement in her panic, but the tail of the creature slowly moves up to her neck and stings her again. In a moment she lays immobile again, her head drops to the side and her eyes hang barely open.

The creature grabs her head and picks it up, looking in her cute face and starts moving its dick toward her lips, you hear a whimper escape.