The Alpha Mistress Has A Triplet.

Blurb: Tina's world crumbled when her engagement to her CEO and true love, Alpha Derrick Ortega, was abruptly broken off. In a desperate attempt to save his life, she had donated a kidney to him. In return, the Alpha's parents had promised that she would be married to their son when he recovered.

However, when Derrick was strong enough to marry, he was betrothed to Katherine Rodriguez, a rich heiress and daughter of the wealthiest Alpha, in order to increase the wealth and power of the pack. Tina's heart shattered into a million pieces.