The Neon Amazon by Eugene Kirk

Eight-foot-tall Tina Thompson has to make the biggest decision of her life.

Once a pretend villain in a league of bio-augmented professional wrestlers, Tina now survives in the slums of São Paulo as a drug lord’s enforcer, using her genetically enhanced body to take out anyone her boss deems a “problem”.

All Tina wants is a normal life, but with a body that requires constant nano-treatments, she doesn’t have a lot of options. When a collection run goes bad, things get worse. The mercenaries she’s just killed have a boss too, and he wants payback. He offers Tina a choice: die, or work for him in exchange for a permanent fix to her enhancements. No more nano-treatments, and no hope of going back to a normal life.

Now, Tina must decide if her freedom is worth the price. All she has to do is give up on her dream of normalcy, become a villain for real . . . and blow up a starship.