Tammy opened the bag. Inside was a mask that looked like a raccoon but with varying shades of brown instead of grey and black. She pulled it out and found the next item a shirt. This shirt was mostly light brown with a whitish-brown color on its front. Next was a pair of gloves. They looked like long opera gloves as they would go up to the shoulders. The stockings were the same, only stopping when they reached the hips. Both were dark brown. To go along with the stockings there were a pair of shoes that resembled paws. The final piece of the costume was a pair of shorts. On the hips they were light brown, running from the front and the underside was more of the whitish-brown color. However, the real attraction was the three-foot light and dark brown raccoon-like tail attached to the back.
Given how real this looked Tammy would've thought for a second they skinned a real tanuki for this. However, she knew it was fake when she bought it. With the costume on the bench, Tammy began to strip down to her underwear. After putting the items in her bag Tammy started to put on the costume. First, she put on the shorts.
As soon as they were in place she felt a surge of electricity or something run up her spine and into her brain. As this happened her spine extended into the tailpiece. The outside of it now quickly transformed from plastic to fur-covered flesh, not long after the shorts merged with her skin. Her thighs gained muscle mass underneath the thick fur. The biggest shock however was happening to her crotch. Her reproductive organs were rapidly mutating. Her pussy and vagina disappeared as her ovaries transformed into testicles. They grew larger as both pushed out into a massive sack. Above a nub rapidly pushed out into a rod of pink flesh. Once it grew to two feet long it gained a hole at the end.
Tammy breathed heavily as he felt new sensations coming from his pelvis. he looked back in stunned confusion. his tail moving on its own accord ever so slightly. he thought about it stopping and it did. he soon found some glee in this transformation. Tammy then realized how he kept thinking to himself as a he. Looking at the weight from his crotch he was answered why. Just as he felt the instincts about moving his tail his mind had also been rewired to be able to understand his pink cock and heavy balls. 'I wish they were lighter' he thought. To his amazement, they felt like they were no heavier than his cock now.
Going over to the opened Tanuki costume bag he checked the tag more closely. Sure enough, there was a male symbol at the end of the tanuki word. 'well the clerk said I could return this' he thought. 'but why should I return this' Another thought entered his mind. While it had felt like his own thoughts it also felt mischievous. 'I came all this way, the convention is just for the week. I can still return the outfit after I've had my FUN'. How the word fun felt should've made Tammy realize this wasn't who she was. However, the thoughts were convincing. 'Yeah, I should enjoy this con while I can. People cosplay as other things all the time. With that, he dropped the bag and picked up the next item.
Putting the shirt over his head he could feel his new mischievous side grow and his old self felt farther away. Once it was in place he could feel it merge with him. His stomach pushed into a noticeable muscle gut as his breasts disappeared. His pecs took their place. Interestingly his nipples had also disappeared while his naval didn't. He sucked in his gut and was amazed by the eight-pack that appeared before he released his breath.
Eager to continue he put on his stockings. He felt the cloth become fur under his hands as the muscles grew. Likewise, when he put on his shoes he felt his feet fill them. The stitching separated allowing him to move them with ease. He wiggled his paws as pads grew on the underside.
Next was the gloves. First, he did his left side. He watched his arm grow, his biceps and triceps becoming defined. Tammy then watched his slim hands filling up with muscle. Once he did the same to his other hand he tested his body. To his amazement, he was more flexible than he ever was as a girl.
He then grabbed the final item. Pulling the string back he slid it over his head until the eye-holes were in his view. he then let go and let the final phase begin. From his neck light brown fur grew, and underneath a decent-sized bulge appeared. The mask's plastic was soon wrapped around his head. His shoulder-length blonde hair became short and stylized mohawk. On the front, it was long and bushed past his right side. His ear-holes merge with the ears on the top of his head, allowing him to hear the noises outside. The false smile on the mask parted as his muzzle pushed into it. His tongue grew as his teeth became fangs. The nose on it became real and wet as he smelled what lay beneath the sterilized smell, sex. he could smell dozens of male and female creature's scents within the booths. He grabbed his dick and began to pump as his new eyelids started to close over the plastic eyes.
He let out a moan as he cummed across the room. opening his now living brown eyes he smiled at his first orgasm as a male tanuki. He was sure it wouldn't be his last. Especially if he found a pretty lady to plunge his cock into. Tammy... no Tammy was his human form. He was a male tanuki now, he needed a new name. Yue? No, too pretty. Aki? Yuck, even worse than Yue. Taji, now that sounds like a name befitting him. he then saw his cum being sucked away by a hole under the bench.
Taji then pulled out his clothes. "ugh, what was I thinking wearing this pink garbage" his eyes glowed as they became a pair of cut-off shorts, black underwear, a grey shirt, and a black leather jacket. Putting on his underwear he shrunk his massive package to a large but not impossible size, he figured other males might get jealous. he then put on the rest with little effort. Once he was done Taji flicked his hand and sunglasses appeared. Placing them over his eyes he smirked.
He grabbed his purse and turned it into his wallet and kept only what he thought was important. The rest he made disappear, there was no need for makeup or perfume when you looked and smelled as good as him. he stepped out and saw the convention in a new light. Before Tammy had been excited to show off her costume but now, Taji would pull the most mischievous pranks on the people of Fan-con. Heading into the convention he then spied the perfect candidate for his first trick. It was...