So many people have been asking for "Bigger Boobs Sizes" for a long time now, and it has never been implemented into the game.
There are some people to have tried to make a Mod for that, but it was impossible to do. All they can do is draw her breasts to look fuller and confuse our minds to think that her breasts are bigger, but they are actually the same size.
Those Modders gave up after they realized it was impossible to Mod something like this.
