Lee's mind was now in total submission from the effects of the serum, their was nothing to do but sit back & wait. Dark grey & black fur was began to creep down Lee's chest, his pubic hair lengthening, thickening into a scruffy ruff of canine fur. "Oooohhh!" Lee moaned, his cock & balls becoming more canine by the second. By now Lee's testosterone levels were through the roof. Caught between the high of euphoria from the serum & his extreme horniness Lee could only grin a toothy smile as he felt more changes begin to sweep across his body. "Interesting, he seems to be retaining his human form yet becoming wolfish at the same time." One of the men said. "Yes, this one will be a perfect canine stud for our study." Another added.