Fight for Her by Milana Jacks

Arthur
When Rose asked me to marry her, I didn’t pay much attention. After all, she was ten. Even though she’s all grown up, and I seethe with desire for her, claiming Knight’s baby sister will earn me a punch in the face. Or worse.When her heart fails, I do what I must to keep it beating—risk my own life to take her to the habitat for a cyborg implant. Now the woman who should have been my spirit is the most dangerous cyborg in existence. My enemy.

Rose
Once upon a time, I had girlish dreams of marrying Arthur. Now, with a highly advanced cyborg implant that makes me the darling of my military trainers, those dreams are a distant, fading memory. My future lies with the Elites, the units that defend the habitat from dragons To secure wealth, fame, and rank all I have to do is give my handlers the name of the dragon man suspected of hiding in plain sight somewhere in the habitat. Should be a no-brainer, right? If only my human flesh will stop aching for what can never be…