you were sitting on your couch when suddenly a portal came out of nowhere and transported to the "hated child becomes the hybrid princess" you're the hated child and you are now at the hospital as an infant and you can talk because...well gacha logic

Mother: "aww she's beautiful."

Father: "What should we name them?"

Mother: "for this princess her name will be Isabella and groans for that brat will be named Balzarina."

a few minutes later you come home and it's the walking and talking sene