[Denisem]

I agree with the others here, unfortunately it does take a long time to achieve results! 
There is a bra brand called Cherries that make bras with a smaller cup size that may help you
https://getfitcherries.com/
I have not tried them yet though, maybe my birthday next month! You can also buy bra extenders that help in wearing prettier bras that dont come in larger sizes.