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Being a model had always been a test of willpower. It was difficult to keep a diet that would maintain the body of a model. They wanted slim, slender, and sexy for every shoot. Kim gave it her all though, and maintained a nearly perfect physique. This aided in landing her lots of work and kept her bank account fairly well padded. With this extra money, she was able to hire an agent who did all of her booking for her. This allowed Kim to spend most of her time doing whatever she wanted, and she only needed to spend a few hours a week showing up to various shoots.

This week, her agent had set her up with a new modeling company she had never heard of. The reason she had never heard of them was that they primarily did product photos for furniture. Most furniture product images have nobody in them. This intrigued Kim quite a bit. Why would they suddenly need a human model if they just take pictures of chairs and couches? Maybe it was some kind of new marketing technique where they would pose pretty girls on the furniture in order to sell them. Kim thought that was probably it as she made her way to the location of the shoot.

Her car arrived, and she was escorted into the building where they would be doing the modeling. She was told to wear something provocative, so she had chosen a swimsuit that bordered on lingerie. The director looked Kim up and down before nodding in agreement at her choice of outfit. It was rare that Kim got to choose what she would be wearing, but it was a nice change from the usual. The director motioned for the couch they would be doing marketing for to be brought out. A tarped, vaguely couch-shaped object was wheeled out from a side room and placed in the center of the staging area.

They posed Kim in front of the couch, and an assistant pulled back the sheet that had been draped over it. Kim couldn't help but laugh slightly as the couch that was revealed looked more like a bundle of party balloons than anything anyone would actually want to sit on. The cushions actually bobbed up and down slightly as if they were filled with some sort of buoyant gas. She turned to the cameras and began to pose in front of the couch. The first odd thing she noticed was that there was nobody taking pictures. In fact, it seemed like all the cameras were taking a video.

The director motioned to one of the staff members who was holding a small detonator-looking device. The staff member nodded and clicked down on the small red button in her palm. Instead of a miraculous explosion, there was only a slight hissing sound that began to emanate from the direction of the couch. Kim did her best to maintain her composure as she kept modeling in front of it, but a strange smell had permeated the air. It wasn’t wholly unpleasant, but it definitely wasn’t the normal air she had just been breathing. The throw pillows on the couch began to deflate slightly. As they did so, much to the surprise of nobody except Kim, Kim’s breasts began to inflate. 

They felt like an air hose had been hooked directly to both tits, and they were ballooning pretty rapidly. Her tight top strained against the new displacement as her breasts began to spill out from any available avenue. Feeling she would certainly either ruin her top or be crushed to death by it, Kim ripped it off, freeing her breasts into the open air. Modeling was a test of willpower though, and Kim wasn’t about to let this stop her performance. She kept throwing poses, and the director was loving it. With each breath, her breasts swelled more, threatening to throw her off balance, but she wouldn’t let it happen. 

When the shoot had finally finished, she had gained a dozen or so cup sizes. Apparently, the couch in question was some kind of sex thing, and they would be selling them to people who wanted to change their busts during sex. The cushions weren’t designed to handle much weight, so two people fucking on top of one would typically be enough to pop one and envelope whoever was nearby in a breast-enhancing gas. It was a great idea, but Kim really wished her agent had told her beforehand. She had a feeling her modeling gigs were going to look a lot different from now on.