The change filtered down slimming a little bit the neck which Marcy felt was too thick as well as the shoulders. As the effect followed through the arms her breasts suddenly started to swell.
As the modest A cup breasts enlarged Marcy felt a tightness in her chest. Looking down showed a now strained shirt that needed to be released if she was to continue breathing. Reacting almost instinctively she ripped the buttons as she clawed her shirt open. Her breasts were instantly bared to the open air, as she preferred not to wear a bra at home.
Marcy grabbed her breasts in her hands in disbelief, sure enough they continued their expansion in her hands. Meanwhile Ty stepped around to her front to catch a better look at the show.
The breasts stopped growing at...