Casey tasted her sister's delicious cum, unable to stop drinking it. She didn't even notice her sister's transformation into the Queen Futa or the house changing, but her mind was quickly changed. Her memories changed to fit into the Futa world, and her body changed quickly. Large J Cup breasts grew on her chest, as her skin lightened and freckles formed. Her hair grew longer and stronger, and became the same vibrant red on her sister and mom. She began furiously masturbating, as any hair below her neck disappeared. Her ass grew, along with gaining wider hips and a thinner waist, to achieve a perfect hourglass shape. Finally, her penis grew in just as she orgasmed from her new, much more sensitive pussy. Her penis grew just above her vagina, with egg sized testicles. The penis grew to 14 solid inches. Although it was smaller than her mom's, she made up for that with her larger breasts and slightly prettier face. Finally, permanent makeup appeared. As she felt they mental changes take place, she remembered this body as normal. All three girls went on to Lily's bed, and embraced each other, with both Casey and lily sucking on Erin's massive chest while they fell into a deep sleep. While they slept, the entire house changed, becoming a 5 story mansion, with several bedrooms. Their three bedrooms became the top floor, with massive beds, individual milking machines, and large showers and tubs. The milking machines could move into the tubs, pleasuring up to two futas being romantically involved. The other four stories became rooms for Erin's personal live in slaves/lovers and their families, while all three girls minds altered to think this was normal.