The Morphing Spray was something of a mystery, so poor obliviously changing Megan decided to try that first.
She picked up the spray, uncapped it, and set Matt down on the bed. "Here goes." She said excitedly, and let loose with the green mist.
Matt squeaked, then popped, then squeaked again, then began to grow in size.
To Megan's delighted eyes, her orca balloon started to become an anthro orca balloon. His fins pressed out into arms while he grew legs and became more humanoid. His detailed perfectly smooth vinyl body grew muscle definition and turned more and more humanoid until a partially deflated six foot tall anthro orca balloon laid on Megan's bed.
She gaped. She gaped some more. She failed to notice her skin had turned very pink and smooth, and was starting to reflect light oddly. She was only fixated on her sexy orca.
"Oh God!" She hopped on the bed and uncapped both Matt's valves. "Let's get you blown up, my sexy man!"