In the chest (breast growth)

"Ahh!" you cry as your shirt suddenly grows tight

You look down and see two mounds swelling on your chest. You grab at them as if trying to hold them in but they grow inexorably larger until you can't contain them anymore. They slip from your grasp and bounce free sagging a little under their own weight.

"Holy fuck, these things are heavy!" you gasp "What the hell do you think you are playing at?"

"Oh lighten up John," she says rolling her eyes, "I thought you liked big tits?"

"I like girls with big tits Zoe." you snap "Girls! I don't want to have tits. Now give me that thing so I can try and fix this."

Zoe pouts just like she used to when Mom took away her dolls and she...