The Arrival, The Evaran Chronicles Prequel

Jake Melkins is a few months away from turning twenty-one. By the Seceltor Empire's laws, he will have to go to a breeding camp, or directly into slavery. Neither choice appeals to him. All this changes with the arrival of a space-and-time-traveling being known as Evaran at the space station turned rest stop that Jake lives on.
To make things complicated, Greecho, the slaver who abducted Jake as a kid, has arrived at the station. He and his crew, along with his twenty-two-year-old human pet,...