Jen stood there for a moment as her head spun and fell back down on the bed, she felt strange, numb all over and slightly sick. The feeling passed but she was still uneasy. The sexiest girl in the universe, she wondered, would that include every creature on earth, or everything that ever existed. She stood back up after a minute and started looking for that sock again when she felt her hips start to shift, she looked down to see her body start to change, she was growing more legs, they still looked human but she grew more and more, until she was surrounded by a circle, she had a brief moment to count all of them, she now had ten legs encircling her.
Her body began to shift, she felt her spine moving forward, her front legs spread as her torso moved further and further forward, she had reached the halfway point right between her legs with no sign of stopping. She grabbed her front two, but couldn't hold them for long as she found her body moving to it's new anatomic position, she found herself upside down, her pussy continued to shift until it faced toward her ass, her body sealed up her anus, and she found that she now only had her vagina, which faced her new front end between her ass.
Jen tried to muster a scream, but couldn't find the strength to as her body continued its horrifying transformation, everything from her waist up, legs and all began to grow. Larger and larger her lower body expanded, but she didn't grow with them. Soon she was too large for her room, she heard the house starting to distress as she continued to grow, the floor gave way and she fell through, landing on her feet, her growth only quickened as she burst through the house, her legs thundered further and further away from her, until they seemed like part of the scenery. They had finally stopped growing at forty feet tall, her new massive legs were everywhere she looked.
Just as Jen thought it was over she felt something swelling above her, new flesh formed as her body's new form began to grow, it's flesh expanded further into the sky until atop her many legs, a tower of flesh formed, ultimately becoming a massive penis, reaching thirty feet tall. She felt her new urethra form all the way down to her breasts, which then began to swell lager and larger, they finally stopped after what seemed like forever as her new testicles formed, they were perfect spheres, clinging to her underside, she could barely touch the monstrous spheres. Busy trying to cope with all that had happened so far she felt, or rather saw her new eyes form, the encircled her new towering penis at it's base, her mind struck with vivid colors she, or any other human had ever seen before, she let out a scream, but it came out wrong to her ears, a low deep guttural tone echoed across town as it's new goddess finally reached full form.
Jen's new body began to move by itself, her old self trapped as the mouth of this abomination, moaning out it's mating calls as it terrorized the city.