My Alien Warrior: A Sci-Fi Alien Warrior Paranormal Romance

Khaos has been fighting in the arena since he was old enough to hold a war axe and not hurt himself with it. He has risen through the ranks with a speed otherwise unheard of, and after winning enough consecutive battles to catch the eye of the leader of his kind, he is now the champion. But the fights aren't just to prove the skill and strength of one warrior over another or to provide entertainment for the people.
The truth, Khaos comes to find out, is that his people are dying at an alarming rate. Infants, males, females, whatever is in their blood that has stricken them is killing them off faster than the Vekosh rebels. As champion Khaos proves that he's vital enough to be a savior to his people. To scour the galaxy and others for some hope of a cure. When his search takes him to earth, he meets Kayla Abernathy, a young doctor with a quick mind and not much of a life outside of her work.
She's never studied anything like the plague wiping out Khaos' people, or Khaos himself even, but for some reason she can't say no to his request for help, or the romance blooming between them, even if it means getting caught up with the Vekosh who want to stop her from completing her cure at any cost.