Claire had picked up her piece and plopped her piece five spaces forward saying "white black white black white..." onto a white space and then looked to the gem. "Tony what does it say?"
Tom looked at the gem and said "For the little girl with the flat chest, A cup size per step taken, a step towards adult hood"
Claire tilted her head not understanding and Tom wasn't sure what the game meant either. the two kids weren't at the age where they were thinking about more sexual things.
Claire patted her chest a bit and said "...my chest feels weird..."
"Like a cold weird or-"
"Like a... oddly good feeling..." with her hands on her chest her nipples started elongating and poking through her fingers and dress. She felt turned on and started to tweak her nipples a bit while her chest started to puff out as flesh started to accumulate. Her chest was noticeably bigger as they swelled to A cups, started to jiggle a bit more as they accumulated into B cups, started stretching out her dress as they plumped out into C cups, started to sag a bit as they drooped into D cups, and grew exceedingly sensitive as they settled into E-cups. Claire snapped out of her trance of pleasure and looked at her body as she had boobs way too big for her body that were stretching out her dress allowing her panties to be seen easily.
Tom just staring at the show out of curiosity reached out and squeezed the squishy and warm breasts of Claire leading to Claire letting out a cute little moan as her sensitive flesh was being squished. She quickly smacked Tom's hand away and he apologized saying "Sorry I was just curious..."
"Well ask first... i'm not used to their odd feelings..." He still didn't understand what she was talking about considering his age.
"Come on lucky dice..." he grabbed the dice wondering if he may get a similar change and threw the dice and got an 11, "Lucky, let's see what happens." he moved his piece eleven spaces onto a white space, ignoring Claire's now more busty piece, and read his change...