Book List in Order:5 titles


  • Torza and Ciz leave Journal City in shambles after their display with the Twenty-third demon. Meanwhile, a new observer is assigned to the Slayer of the Flask, who brutally murdered his last observer, Observatory 7's Coco. However, is Slayer of the F...


  • The twenty-third demon is staging an attack, led by three foes: a Collateral Summoner, a Spinner, and a Funguser, the latter of whom Torza has seen before... Will he be a match for an enemy with an imaginary number for a level?...


  • The birth of the twenty-third demon has called the Slayers to their task of collecting companions with new vigor. But when Torza encounters a fellow Slayer who doesn't share his view of the world, things begin to go awry......


  • In a world where a person's Post is decided for them from birth, Torza holds the most powerful, the most punishing, and the most heroic of Posts--he is a Slayer. He sets off on a journey to gather strong companions for the sole purpose of defeating t...