"I've finally completed my masterpiece!" The nerd in his basement exclaimed. After years of saving up from card game tournaments, part-time jobs, and living in his parents' basement, he managed to gather enough funds to own his own apartment, and build this machine. It was a strange machine, as its sole purpose was to give him new bodies for his transformation fetish, but it was even stranger than that. It could only transform a person in 10% increments. By taking the DNA of anything, he could fuse it with 10% of the subjects body. If he wanted to be 100% female, then he'd need to get 10 samples of a female and transform himself 10 times. It was annoying that it turned out like this, but it meant he could do some crazy human-animal fusions, the thought turning his little 2 inch pecker on more.
As he drooled at the mouth, the nerd turned to his collection of samples that he had built from over the years. Each sample was perfectly preserved and ready to implement, and he had a plethora of samples, having stolen some from his lab while getting his chemistry degree, to collecting them in his spare time from animals of all sorts, gathering enough where he had free choice of any animal fusions. He also had many human samples, from his family to his neighbors in the apartment to random samples he picked up while walking in the streets. His collection of female samples was especially impressive, though most weren't exactly legally obtained.
Franklin was the nerd in question. Franklin Freckles, a disgusting pervert that was an absolute genius in science but an ugly as hell human being, inside and out. He was a solid 300 lbs, 5'4" (shorter than many girls!), with short greasy black hair and terrible eyesight. He was fat, freakish, and had a face that could make a baby cry. He wanted to change all that today, and make people think he was cool! He also wanted to break his virgin status too.
The machine works in two ways. Either 100% general or 10% specific. 100% general changed his whole body all at once but with 10 10% fragments. This was great if he already has his presets in mind and just wants his body to be a whole fusion, transforming all 100% at once. 10% specific allowed him to transform specific body parts at a time, tailoring his body to be its perfect ideal shape.
Franklin didn't save any of his own DNA. He never wanted back. So here he would go, taking the plunge. But first, how does Franklin transform himself?