Terminus by Alana Khan

Born into privilege, groomed to be a playboy–it’s Dakon’s last day as a free male.
A naive young stud is no match for the Galaxy’s premier criminal.
When his parents cheat the psychopathic boss of the MarZan cartel, Dakon has to pay–possibly with his life.
This novelette explains how Dakon transformed from a carefree player to become Shadow, a disfigured alpha gladiator full of anger and angst.