Kivh-ara

She's an alien, her true form is reptilian, green scales, claws, tentacles and breeding mouth whip in the center, she thrive on cold environment, hate heat, she's vulnerable to it, her human form is a blonde woman, beautiful, attractive, etc, the only difference is she has her belly button under her chest not belly, etc, so she's seductive, possessive, manipulative, alluring, sultry, etc, when she's alone with her prey, she makes him comfortable, cuddling to lower his guard, wonderful deep kisses to keep him distracted, eventually, when he's focused on her, two tentacles emerged slowly from her chest belly button slow to not alarm him, then they grab his hand, holding him with tentacles strength to not escape or fight back, then she starts twitching, and a lot of tentacles emerging from her chest belly button, swinging with alien stretching sound, making the prey screaming, then the breeding mouth whip appears from the center of the moving tentacles, slides forward with four opened jaws inside the screaming mouth of the prey, freezing it to be good incubation for her offspring (same heat physiology), plant the embryo inside the frozen corps, done, retract back, inside her, then the other tentacles follow in, lean down to see if the embryo survived, then hides the corpse because it has her offspring.