Mary was in the tub, trying to shout for help but only producing low, resonating echolocation sounds. The worst thing was...she saw even her udder sink into her skin, turning the surface completely smooth from neck to tail maintaining a strict separation between white belly skin and blue back skin. Any resemblance of a torso disappeared between multiple layers of whale fat, inflating Mary's body into an almost completely elliptical shape as the final change started: her neck completely disappeared into her mouth, and her mouth widened into a large whale mouth. Her eyes were now practically on the sides of her head, and she was breathing through a blowhole in her neck. She was now almost completely a whale, except for the size of her body which kept human proportions.