Fierce Cyborg by Nellie C. Lind

ONLY DEATH CAN STOP HIM FROM TRYING
Can’t find Mr. Right? Why not create him? MedAct is the company that can make all your dreams come true! Just give them a call and let them create the perfect man for you. But remember, you can never give him up. It will kill him, literally.
Jade Silva, the CEO of MedAct, the medical and scientific company that creates cyborgs, knows something fishy is going on behind her back. She doesn’t know what, but she suspects one of her own doctors is involved.
Confronting the doctor might not be one of her brightest ideas, but she does it anyway, only to end up in the hands of the Fighters—the dangerous and damaged cyborgs who survived the deaths of their bound ones. Not only that, they want her to save Nightmare’s life, their leader, but also her enemy … and the love of her life.