Entangled with the Alpha King

After the mysterious death of her father, one of the Alpha kings, Rarity was enslaved by her older brothers and treated like a worthless servant. But on her 18th birthday, Rarity found her mate - the King of all Alphas, the most powerful being in existence. However, a surprising revelation staggers the development of Rarity and the king's union - her brother, Drake, is in love with Rarity.