Her mom

"Babe...?" you begin but she just smiles as there's a momentary blur and a spinning sensation in your head, though it lasts only for a few moments before things apparently settle down and clear up for you. A few blinks, a few breaths, and the look on your girlfriend's face told you that the change had already occurred. "Babe..." you begin again but instantly the sound of your voice and the fact that your hands had nails when they came into view told you it had been a drastic change.

"Take a look..." she pandered excitedly, pushing you towards the mirrors in the bathroom, not giving you a time to get familiar with all the weird sensations that you were feeling from your changed body. It took you a few moments and must've looked comical to see your girlfriend pulling and prodding you but you were in for a shock as the lights came on and you got a good look at your new reflection.

"What the...?" you began, touching your face for a moment and then looking at the strands of hair dangling in front of your face. "This is..?"

"Surprise!" Your girlfriend looked at you with a smile. "Figured that we could do a fun mother-daughter day today! Besides, I know how much you like looking at these," she pointedly reached your breasts and hefted them up and down playfully. "Now you get to do this all day!"

You just stared at your reflection before a slight pressure started to build in your head...