As Tiff coffed on the cum body began to change even more.Just like Katie, Tiffs arms surged forward as the limb expande both in lenght and width, as muscle inflated like balloons along it. Claws extended from fingers.
Her brow bulked up which seemed to have the dual effect of causing eyebrows fall out as spines grew out in a mockery of them. The size of these spines increased until The growth of these caused her to cry out in pain, which revealed her teeth were now all razor sharp.
Tiff's upper torso seemingly exploded as her shoulder widen and her breasts grew beyond an normal melon even while they were adopting a pointed torpedo shape. The spines along her brow also continued down her back with both an ever increasing size and a wider gap between them.With a terrible snap her knees bent backward into a degigrade configuration, which combined with the increased mass of her upper body forced her onto fours, her arms now much longer than her legs giving her ape like stance.
Tiff's transformation was finished with the dull blue color completly covered her skin. She final opened her eye to reveal the same blue flat orbs that were like Katie's.
And all this time Katie's stood watch Tiff with a grin....