Rachel hummed happily as she let the water run over her naked skin. She loved taking showers; she'd always liked the water. She'd even been a part of the swimming team at her high school, and was looking forward to maybe joining the team in college as well. She didn't intend to do it professionally or anything, but it was a good way of staying fit, and it was fun.
An odd tingling sensation rose up a few moments after entering the shower, and Rachel frowned. It seemed to be localized on...her breasts? That was a new one. She massaged them lightly, trying to see if she could work the feeling out.
If she hadn't been holding them, she might not have noticed right away, but - she felt as their mass began to expand in her hands, the flesh squeezing against her wet hands. She gasped in surprise at the sensation, head snapping down so quickly she felt a little dizzy. Sure enough, right before her eyes, her tits were growing bigger!
"What the fuck?" she whispered. She'd always wanted bigger breasts, and had hoped for a later in life growth spurt - but had never heard of anything like this happening!
Quickly, she stepped out of the shower and approached the foggy mirror, wiping away some of the mist to look at herself in the mirror. Her breasts had grown by at least two cup sizes since she'd entered the shower!