Reaching back out for the whale vial, maybe another sip wouldn't hurt. Maybe not.. "Come on, come ooon.. Damn!" Mary exclaims as she fumbles the vial over the water.
Her flippers aren't helping! She's pouring over the edges of the tub, water spilling everywhere already! What else could go wrong? Settled between her breasts now, what a pain. She reaches and struggles as her half-flipper arms lose dexterity slowly in favor of plumpness. Just barely she hooks the vial between both flippers and pop! The vial comes open right then and there! Slipping from her flippers, she gets splattered in its remaining filling. She gasps, her face already distending outward. Her lips wet with a bit of the vial that splattered them. A soft gulp leads to her neck bulging her head towards the wall behind her.
"O-oh gods, what? No way, this isn't happening.. But I want it, I was gonna drink it all wasn't I?" She pleads with herself, a dense POP telegraphs her rump popping free of the tub. "E-eventually.. maybe.."
She falls out onto the floor, shaking her flippers as they devolve all the way. Her legs getting smaller, hooves softening and turning blue. All adding into that tail. Her hair is getting thinner, her features spreading out gradually. She pants and grunts on her back, between ecstasy and humiliation. Her breasts spreading further and further apart, as her udder gets gradually larger. Wait, is she keeping the udder? Well, she is a maaaAAAOOOOOOOOOOUUUMMAAAAL..! Her thoughts are interrupted in a flash, her moan is replaced with a vast whale call! Oh fuck, this is happening..
Her head pushes against the wall, growing so wide and closer to her final shape. Her body is going to break this bathroom! The toilet is being uprooted, and sprays water over her. The sink is lifting up, the cabinet beneath crushed by her middle. The door to the bathroom collapses under her fatter and fatter tail.
"Ohh hell yeah, I'm going all the waaaAAOOOOUUUUUUUUUUHHHHAAAA.."