Historias de Sartarus

Killing to live, it's not a hard concept to understand is it? What about killing everyday and sometimes it's for fun? Leilah is a 15 year old human girl that lives in a nightmarish realm called Sartarus. Everything there is decided by fighting to the death, winner take all. She is a just a scared orphan, but now an experienced warrior, and possibly the next devil, if she wins the contest....