Cheryl stared at her current B-cup breasts and was worried at how big they would get. Even with her ok reflexes and how quickly she spewed out "when" you could easily get out quite a few clicks. Cheryl's little breast flesh started to grow out and her nipples and aureoles grew with them proportionally.
Cheryl asked "So how many times did you click it?" Her chest had already past G-cup and she looked a bit weird as she got up from the desk she was sitting at. Tiffany checked the remote and saw it kept track of the clicks and it read 22 clicks, and Cheryl was at L-cup and had lifted herself on her bed face up because she wouldn't trust her sister not to make her breasts lactate or something.
Tiffany said "22 clicks, you'll almost get to Z." and Cheryl's Q-cups were weighing down on her and Cheryl was regretting not lying face down.
Cheryl then said "You don't think you went overboard "These things are unmanageable!" and indeed they were a tad unmanageable for her. After all a 13 year old body was not meant to have W-cups and even more mature women would have a hard time dealing with them.
Tiffany took out the remote again and Cheryl asked "Wait dont you think you've done enough?"
Tiffany said "You wanted to experiment on me, but how about we experiment on you? i'll turn you back to normal if possible."
Cheryl asked "Wait what do you mean by possible?" However it was too late because Tiffany had pressed...