After Exchanging Beast-Transforming Pills with My Sister

For the benefit of the family, my father forcibly fed my sister and me the beast-transforming pill. My sister became a plump and fertile white rabbit, and I became a coquettish and charming green snake. After turning into a beast girl, her stronger sister was sent to the old emperor's harem. She was killed during pregnancy because she didn't know how to fight in the palace. As an introverted and weak person, I was tortured and played to death. When we open our eyes again, we are back to the day when we were fed the Beast Transformation Pill. My sister and I looked at each other, change? I nodded. In this life, it is our sisters' turn to dominate the world...