The Alpha's chosen mate is a Slave

"You were born for the sake of your sister. You are her shadow, so make sure you allow no harm to her. Even if you have to follow her to the pits of hell, make sure you keep your Master safe and make her your priority." These were the first words Zila had heard, and they shaped her life.

Born the illegitimate daughter of the Fernis Dukedom, Zila was taught to permanently hide in the shadows and live as a beta servant of the family first and herself last. For sixteen years, she lived like that, longing for freedom that was out of her hands.

Finally, after enduring sixteen hard years under that family, she saw her freedom in sight when her older sister and master married off to their Next Supreme Alpha's uncle and the current Emperor, who was in charge as a harem member. Zila's life was supposed to change from that day since she no longer needed to be her sister's shadow.

But life and her family had other plans for Zila, and she was sent as her sister's dowry instead with only one order - die when it was her time.

She needed to keep her head down if she wanted to live, but unfortunately, her secret was found out by the young beta incharge of the harem.

Thus began Zila’s life under his thumb, and the terms were simple - he would keep his mouth shut as long as Zila did as he asked her. She would become his arms and legs inside the harem, and they, in turn, will keep their mouth quite.
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This might get reposted in next WPC if the theme matches.

Content Warning: Sex, a lot of dominant and sexual themes. ABO. Again, early R18 content and a lot I cannot cover. Updates will happen when I want to. Love triangles and a lot of pinning