Moulded This Way

This story was written for Literotica's 750 word challenge, below this line are exactly 750 words:

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"Should I even ask...?"

My housemate Lydia looked up at me from her bedroom floor as I put my house keys in my pocket. She acted as if there was nothing weird about what she was doing - using a hairdryer at full blast on a large, thick sheet of plastic she was holding. She was a university student studying art, so I was used to a certain level of antics and weirdness she engaged in for her degree, but this definitely took the cake. She gave me a smirk.

"Could you close my door? I'm clearly doing something important here."

I laughed and obliged. I closed her door and headed over to my own room next door to crash, even through the loud sound of the hairdryer through the wall. After some time I heard her turn it off, and could hear some laboured sounds of her doing something, including a little yelp - the kind you do after stubbing your toe.

"You okay?" I asked through the wall.

"Yeah I'm fine, it's just quite hot." She eventually muttered back.

Thinking nothing of it, I went back to scrolling on my phone. After a few minutes I heard her start making similar laboured sounds again. A lot of grunting later, it sounded like she had given up on whatever she was doing.

"Mike, can you come help me for a minute?" She suddenly asked me through the wall.

"Yeah, sure."

I got up and made my way back over to her room. As I was about the open the door, Lydia suddenly spoke up -

"WAIT! Close your eyes please."

"Why, is this meant to be a surprise?"

"No, I just don't want you to look."

Why not? I thought to myself. Not wanting to step over whatever boundary she had about this, I opened the door with my eyes closed, entered, and closed the door behind me. She suddenly took my hand and made me sit down on the floor with her.

"I can't get it off..." She mumbled, and brought my hands to the edge of the plastic sheet.

"Can't get it off what?" I inquired.

"... Off of me."

Confused, I gave the plastic a little tug. It moved a little, but felt like it stayed attached to... Lydia? To confirm, I gave another firmer tug. Lydia audibly winced.

"How do you mean this is attached to you?" I asked. "I'm gonna struggle to help if I don't know what I'm dealing with."

After a few seconds of contemplation, she relented -

"It's attached to my chest. I guess there's no helping it, you can open your eyes."

Opening my eyes, I took in an amazing view. Sat in front of me, embarrassment through the roof, was Lydia with her head in her hands. She was completely topless with some amazing round tits stuck in and shaping the plastic sheet. I could now see she was trying to mould the sheet around her torso, but had clearly gotten stuck when she tried to take it off.

"Jesus Lydia!"

Her boobs were the perfect size, and seeing them helplessly encased in a tight-fitting transparent mould started making my crotch swell.

"Please don't stare... I just want this to be over."

"Right. Sorry, it's quite the sight." I got to work, again trying to tug it from one side off of her chest. Nothing I did quite had enough leverage.

"Sorry, I'm gonna need to put my hand on you for some more grip."

She stayed silent as her embarrassment reached new heights, as I gingerly cupped the plastic form of her left breast. I could feel her body heat emanating through the sheet and tried not to think about the thin barrier between my hand and her boob. With one long and powerful pull, I was able to finally pull it off using the newfound leverage. Lydia took some ragged breaths as the literal weight off her chest was lifted, and I couldn't help but stare at her incredible boobs covered in sweat. She finally gave a wry smile.

"Well. You've seen mine now I guess. If you wouldn't mind, maybe you can pay me back?"

She got up and walked over to her wardrobe, and picked up a second huge sheet of plastic. Walking back over, she made an offer -

"Maybe we can do this one... on your crotch?"

Cogs started whirring in my head. She was half naked, and inviting me to do the same... where would this end up?