Your step-aunt asks you to bring her her new vitamins. She glugs one down, and starts to feel weird. Suddenly her tits are aching and are becoming really sensitive - and she can't stop herself from touching them in front of you. Her breasts suddenly expand, doubling her K cups. Confused, she asks you to google breast expansion pill side effects so you can figure out how to stop the swelling. All you find is breast expansion porn - and it's saying someone should suck on them. Her boobs inflate again, this time ballooning up to an X-cup, sloshing around with fluid inside (it must be milk..). Out of options, she asks you to suck on aunties new big boobs and thick nipples. Her tits inflate more with milk and she cums as you're breastfeeding on her Includes.. breast expansion, breast inflation, inflation, body inflation, thick nipples, breastfeeding, big nipples, ANR, tit sucking / nipple play, transformation fantasy, magic pill, growth fetish, big boobs, implied lactation, sloshing sound, glugging sound, inflation balloon sound