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It had been an adventurous week for Kelly. She had taken a brand deal with a company, and things had gone in a way she was not expecting. Kelly was a popular Twitch streamer. She did react content, gaming, and a variety of other things. Her viewership was pretty large, and it was only natural that companies would want to use her platform to do some advertising. Kelly didn’t accept every brand deal, but she had a few that she liked to use. Every now and then, though, she liked to switch things up and sponsor somebody completely new.

This had been one such occasion. Kelly saw the inquiry in her business email and looked through it. The company seemed to be selling some sort of supplement that was supposed to increase confidence. She figured it was probably just snake oil, but she also imagined that many of her viewers probably had confidence issues. Maybe it could work as a placebo for them or something. She decided to write back, saying she would do the sponsorship.

A couple of days later, a press box with some samples arrived at her house. She opened it and looked over the marketing material. It was nothing too fancy and was honestly pretty minimalist. There were two bottles of the supplement and some instructions on how to use it. You basically just put a few drops in your water; Simple enough. Kelly decided she would try the supplement before doing the spot to see if it did anything or had any strange flavor.

She grabbed her water bottle and put a few drops in before shaking it up. The supplement was completely clear, and she couldn't smell anything in the water. She took a sip. It tasted just as it had before. Hell, maybe the “supplement” is just water, she thought to herself. Kelly drank the rest of her water over the next few hours. She was just about to conclude that it hadn’t done anything when she felt the strangest sensation. It was halfway between a throb and a vibration, and it happened to be coming squarely from her clit. 

Kelly tried not to let a small moan escape her lips as she experienced this new feeling. She pulled her pants down and examined herself. Her clit looked stiff and… bigger? The feeling had subsided, but she could have sworn her clit had not been that big before. Mildly unnerved but a bit curious, she decided to try some more of the supplement to see if that had been the cause. 3 more drops and a bottle of water later, and the feeling returned. It was stronger this time though, and she nearly fell over when the sensation hit her. It was like somebody was holding a vibrator on her clit and tugging on it at the same time.

She once again pulled down her pants to see what had happened. Her clit was definitely bigger. It would probably be slightly visible through her leggings at this point. This scared Kelly. What was the supplement doing to her? She vowed not to take anymore. That vow, however, only lasted until the next day. She dreamt about the feeling that the supplement had given her and woke up extremely horny. She needed more. Kelly spent the rest of the day downing bottles of water and supplement drops. Every time the sensation kicked in, she felt it more strongly, which just made her want to do it again.

By the end of the day, she had taken 12 more drops. She looked down at her crotch. Kelly’s clit was now easily 3.5 inches in length and had gained a substantial amount of girth too. It was sensitive to the touch, and playing with it brought her to orgasm almost immediately. There was no going back now. Over the next few days, Kelly took the entire bottle. She wasn’t even surprised when the two testicles started forming under her clit or when, on drop 60, she shot a thick rope of cum onto the floor. It was the best thing she had ever experienced and she felt great. She felt like she could conquer the planet, in between jerking off her new cock, of course.

That Friday, she had planned on having a stream, and she intended to do it. The stream, however, would be a different kind of stream from her usual ones. She linked everyone on her socials to a chaterbate stream where she unveiled her new favorite toy. She shamelessly plugged the supplement the entire stream and told her viewers how amazing it was. She jerked off for hours cumming all over her office for everyone to see. When the stream had ended, she saw that it had actually made her more money than her typical streams, and that was without the profit from the sponsor spot. Maybe she could crack into that second bottle of supplement…