a dramatic change through magical science, accidentally out of control, deliberate overdose, developing a taste for large insertions, domestic and submissive femme, eating and masturbating at the same time, fucking for hours, going along with the weird, growing with every movement, I had no idea that was my fetish, impossible sex, in medias res, monster girls have more fun, of course the super-endowed amazon has a horsecock, of course your massive dick is equine, outgrowing one's clothes, overwhelmed by sensations, playing with more than one toy at once, pulled close for the money shot, she becomes a bit more bestial, she gets buff as hell, she gets covered in cum, she gets hairier, she gets pumped full of cum, she has more tit than she knows what to do with, that really should cause an injury, that was probably a bad idea, the transformation takes only a few seconds, their appetite is out of control, their libido is out of control, thirst begets more thirst, thirst over logic, unforeseen side effects, unsure to accepting, visibly growing