Alana finds some special milk her sister had which allows the drinker to grow their breasts at will. Alana quickly uses it to make her breasts really huge, but when her sister Holly finds out, she's soon convinced to join in and both sister's breasts skyrocket bigger!
Sister's Breast Growth Milk
NSFW, BreastExpansion, ClothesRipping, Sisters, ThirdPersonNarration
Love this story. The sound effects were on point, and the final sizes were great. I love breast expansion and I can't wait to hear more of these stories