Star Trek belongs to CBS and Paramount
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Jack slumped to the floor in a tired huff. Another day of work had left him exhausted to the point of being unable to proceed further into his tiny apartment than the door; he just dropped his lunchbox on the floor, and he slumped down after it. He sat for a moment before he very slowly took his shoes and then his socks off, and lazily tossed the former aside. He looked around his apartment, which only led to reminiscing of the home he had always dreamed of having. “What did I do to deserve this?” he groaned, his voice raspy with exhaustion. He sat there for a few minutes before he grabbed his lunchbox and struggled back to his feet, dropping the lunchbox on the kitchen counter before slouching to the bathroom to toss his work clothes into the laundry bin and change into something much more comfortable, then went back into his bedroom. As he did, a metallic gleam from something on his pillow caught his eye, and when he looked, he recognized the object in question in an instant: It was a combadge from Star Trek, that silver arrowhead with a star-shaped negative space in the center was unmistakable. It was in Jack’s hand almost instantly, being turned over in his fingers as he examined it. Did he buy this recently and then forget about it?

When he turned to look out the window, he didn’t realize that he put the badge where a Starfleet officer would wear it, and it stuck to his shirt just like they did on screen, but he did notice that his apartment window was suddenly a lot larger and its corners had become rounded, and the curtains disappeared. “I’m hallucinating, right?” Jack sputtered, putting a hand on the window, only to realize that said hand had become covered in reddish fur, and the fingers no longer had visible nails, but did bear the distinctive slits on their tips that hid a cat’s retractable claws. He froze as he saw the fur spreading down that arm, and felt more fur spreading up from his other hand and his chest, which started to feel heavier. He very slowly looked down at himself, and was greeted with the sight of a pair of breasts, nestled beneath his shirt that was quickly turning into a black shirt whose sleeves reached his wrists, and a perfectly-fit bra formed underneath that, which caused Jack to blush rather heavily, partially from realization at what was happening.

He ran into the bathroom as the scene around him turned into a Starfleet officer’s cabin, and as the cheap plywood and cedar planks turned into tritanium panels and structural elements, Jack stumbled as his height abruptly increased by eight inches with his skeleton popping and crackling, and his hips expanded quite a bit as a long and thick tail grew from his backside. He winced as something between his legs disappeared into him while his waist and arms thinned out a good deal. The fur had by now made its presence on his neck known as it quickly spread towards his head. A belt bearing the insignia of the Federation on a rectangular silver buckle formed around his waist while his pants changed into the same black fabric that made up his shirt, and he looked down to see his feet swelling and reshaping into four-toed paws, padding forming on them and his hands as his remaining toenails went through the same process as his fingernails. He looked back up as his face began to tingle, and he watched as his ears moved up and grew into what looked like the ears of a lioness. Further down, her cheeks grew slightly as her nose and mouth pulled into a short felinoid muzzle, inside of which his tongue and teeth reshaped to match as plenty of long, sturdy whiskers appeared on either side of it. His hair, while still remaining, lengthened and changed to a slightly more intense reddish coloration than his fur, and a set of black bands appeared that tied it into two small braids on either side of his head, and a larger one in the back. The top of his uniform turned white, with a medium yellow band beneath it. On the right side of the collar, four silver bars appeared to denote the Starfleet rank of Captain, completing Jack’s change into his own Star Trek Online character, the Caitian H’Sekku.

She stared at herself for some time , no longer in Jack’s apartment on Earth, but in H’Sekku’s quarters on her starship, the Odyssey-class Excellent. “I’m really her,” he - now she, she decided - finally said, watching her tail gently sway. And then a flood of memories came, memories of H’Sekku’s life that poured into her mind, from her birth on Cait all the way to her barely surviving the Iconian War and the few months that had played out since then. She looked around her quarters, taking in every detail, every little bit of memorabilia, from a photograph to her first command, to a golden model of the Ambassador-class ship that she completed her final training cruise on, and all the way to a piece of a guidance system from the misbegotten dumpster fire that was the transphasic tricobalt torpedo program. At least that last one led to some improvements to the guidance systems of other torpedoes. She walked over to the window and gazed out into space. The ship appeared to be orbiting the icy moon of a teal-and-gray gas giant. The system’s orange star was just barely clear of the gas giant, and she could see an emission nebula in the far distance. “Perhaps this is my life now,” she decided, wondering if someone had intentionally done this to her.

“Captain to the bridge,” the first officer’s voice came from the overhead. Captain H’Sekku turned and knelt beside her bed to grab her boots, which slipped over her feetpaws with ease. The door quietly slid open to let her walk through and out into the corridor, into her new life.