El Olvido: Virgil #1

Nux-M, the most secluded and sheltered prison, get together the most vile and bloodthirsty men of the feudal state of Kojotón. There's no way to get in or out alive.

But for Virgil Smeortan, outwit the concept of impossible it's another task of being a mercenary at the desert planet named EL OLVIDO.