The Fake Heiress, Ten-Year Departure

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On my engagement day, my brother brought home a girl my age, claiming she was their real biological sister.

He accused me of stealing twenty years of her life.

My fiancé declared that she was his true bride.

I was thrown out of the house like trash.

My brother and my fiancé took the real heiress on luxury vacations, even gifting her the custom mansion originally built for me.

Two weeks later, they finally remembered my birthday.

By then, they discovered I had signed up for a top-secret,