Rainbow Dash's bust has always been a point of annoyance to the athletic mare, for no matter how much she works out her titanic tits never shrink. Thankfully Twilight has a solution for that.

Kinks Futa, stomach bulge, hyper endowment, cum inflation, breast and ass growth, anthro, and probably more.

This (in-process) story was viewable by patrons (One of whom commissioned this story) for a few weeks already, head on over there if you want to be the first to see updates like this one!