Jen's mother Barbara cringed and cowered as the Jen-beast slowly advanced around the table towards her.
"Baby...baby...I'm sorry!" she whimpered, tears running down her face. The Jen-beast only growled in response, then slammed a fist into her mother's face, knocking her several feet away.
Bob, their father, bolted, trying to get to the front door; there was no heroism in his heart that night. The Sam-beast put an end to his escape, charging after him, pinning him to the ground.
"Sammy...Sammy, we can talk about this. Please son, don't...don't do this," he begged, his face pale, pouring with sweat.
The Sam-beast paused for a moment, giving him hope. "That's right, son...we...we can work this out...figure out something. Just calm down, okay kiddo?"
The Sam-beast seemed to smile a toothy smile. Then it lowered its head to its father's stomach, tearing out a mouthful of viscera, giving into the bloodlust.
The Jen-beast was stil toying with her mother, knocking her senseless all over the dining room. Barbara, now in shock, had ceased begging, simply crying in pain with every blow rained down by the cruel and unbelievable creature that only moments ago had been her daughter.
The Jen-beast hovered over Barbara now, picking her up with powerful hands, lifting her by the throat. Barbara could feel her windpipe collapsing under the crushing force of the beast's grip, and knew her end was at hand. She welcomed it somehow, glad to be free of the pain.
The monster took a final deep inhalation of her mother's scent, then tore open her throat with a snap of her jaws, nearly severing the neck in the process. Both of the beasts sated their hunger for the flesh, then once more united sexually to initiate their transformations back to their more mundane forms.
Jen looked at her gore-covered lover's body transforming back as she underwent the same metamorphosis. Soon they were simply two children, lying naked next to one another in a scene of incredible violence.
Guilt began to creep into her mind as she asked her brother, "What do we do now, Sam? What can we do?"