After Exchanging the Animal Transformation Potion, I Became a Pregnant Cat Lady

My sister and I were force-fed the potion by our father at the same time. My sister became a pure and beautiful catwoman, and I became a fox girl who charmed all living beings. After turning into a beast monster, her sister was sent to the harem of Emperor Jue Si. She had a strong temper and was killed by the harem's concubines when she became pregnant. But I, who was delicate and thoughtful, suffered humiliation and died miserably. When we opened our eyes again, we returned to the day when we were fed the potion. My sister held my hand and let's exchange potions. My sister has always been quick-thinking and will definitely survive in the turbulent harem. As for those stinky men, I will deal with them. I nodded. In this life, it is our sisters' turn to overturn the world...