Two Become One by Grotto [girl wears shapeshifter as second skin; fun transformation]

Story by Peridot

Here's a story I wrote a while ago.  I just finished parts IV and V.  While futa is just one of the transformations that Sara goes through, it's the main element in part III.

Also posted to 7chan.

Edit 3-13-21: Added a lot more to chapter VI.  Edited throughout.

Sara sat on her bed, still not quite able to believe what she was hearing. The person beside her seemed to be a ten-year-old girl, wearing a loose gray t-shirt, short brown hair and a baseball cap. "See, feel me, I'm just like normal, right?"  Sara hesitantly reached out her hand and grabbed the girl’s tanned forearm. It felt like any kid’s arm, small enough to fit in her grip. She could faintly feel the bones and muscle in the girl’s skinny wrist, the pulse in her veins.

"Ok, now watch." The girl leaned forward and closed her eyes. In less than a second, gigantic breasts swelled into being on her boyish frame, entirely braless, stretching the fabric of the t-shirt. They were ludicrously large, puffing out into mounds around her areolae - C-cups in their own right - and the nipples were clearly visible, erect, almost an inch wide salaciously outlined beneath her clinging top. The new breasts stuck out proud into the air in front of her body in defiance of the weight that should have pulled them to the girl’s lap, and jiggled with their own momentum as she gently shook them back and forth. "Feel them if you want," she said. Sara hesitantly reached out a hand and patted the monster on the left. It yielded and swayed around a bit. She began to knead, feeling the soft, warm boob tissue, not any different from her own except for the size. Still disbelieving, Sara reached down and tweaked the prominent, hard nipple. It was a firm nub, yielding a bit to her when squeezed, different from the soft breast tissue. The girl let out a squeak of laughter.

"That's too odd," said Sara, feeling her cheeks flush hard as she realized what a crazy thing she was doing.  Her fingers dimpled into the undercurve of the girl’s heavy, gently wobbling orb of a breast. The girl hummed to herself playfully and shifted her torso from side to side, and her chest bobbed heavily back and forth, her warm, soft flesh bouncing against Sara’s hand. "It's not just boobs," the girl said. For a split second, her body lost all its detail, decohering in a blobby mass.  Sara jerked her hand back with a breath of surprise, “Ah!” - a slight whiff of the scent of bubble gum suddenly in the air - her gasp caught short when the girl reformed a second later. Now the seemingly human creature sitting next to Sara sported a head of thick, dark red hair, tied back in a ponytail, wisps escaping to float in the afternoon sun that came down through the window. Gone were the ludicrous breasts. Her face was vaguely similar to before, but now she seemed to be six or seven years older, almost college age. The T-shirt and jeans had become a beautiful dark green velvet dress, matching her eyes, cut to expose a hint of pearly cleavage. Although she was hardly recognizable, she had the same playful glint in her eyes.

"I can control pretty much everything about myself." the girl said. "Feel the dress." Sara reached out and took some fabric, rubbed it in between her fingers. It felt like fine fuzzy velvet. The girl smiled. "That's as much a part of me as my body or my hair. I'm made of a universal substrate that I can reorganize however I want to."

It made no sense at all. But the evidence was before her eyes. This girl.. This entity, rather.. was nothing else but a total shapeshifter. "Where.. um, how.. What are you doing here?" The words tripped over themselves.  Sara was awed and excited, barely able to believe what she was seeing.

The girl smiled hugely. There was a conspiratorial glint in her eyes that never quite disappeared, Sara slowly came to notice, seeming to hint at some great unspeakable joyful secret that could only be shared without words. "I'm able to get by pretty well in normal society just by turning myself into whatever kind of person I need to. Just look -" The edges of the girl’s body and clothes softened and blurred, and quickly solidified again, contours and lines shifting to the form of a boy in his late teens. Her voice modulated lower to match her new masculine appearance. The boy smirked at Sara, and she subconsciously scooted away, feeling suddenly self-conscious even though she knew it was the same person next to her who was there the moment before. He pointed to his crotch where suddenly there was a virile bulge, which throbbed obscenely as if showing off. "Everything works, of course.  Wanna get a closer look?"

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