He massages, kneads, and suckles his step-sister’s breasts every day, making her grow from an A cup to a G cup…Very rarely, hentai and manga feature NBE as a theme - this kind of growth is absolutely possible!Source (page 60 onward)

tags: The Breast Expansion Blog ( . )( . ) Boob Growth, hentai,breast expansion,boob growth,bigger boobs,manga,nbe,

from: https://boobgrowth.tumblr.com/post/119415033962