I could do that.
Here's the story idea. It's summertime. The beaches are filled with 20 something year old college kids. Meanwhile, women all around the world are flocking to buy a revolutionary beauty product called "Milani's Essence", a serum with th DNA of Denise Milani that gives any girl who drinks it gains Milani"s bust size ( Which is a 28F).
Our Female protagonist is a young 20 somethings year old girl who is average yet pretty. She is invited to a beach party, but is very self conscious about her petite bust. So she buys Milani's essence and now has the smoking hot bod of Denise Milani.