Alternative Titles
炼国的cartagra ; 煉國のカルタグラ ; Purgatory of Cartagra ; Rengoku no Cartagra
Synopsis Rengoku No Karutagura
A boy who doesn't believe in God or the Devil, the Devil who makes himself visible only to those he deems worthy, and a contract sealed on a mere whim in order to save a suicidal young woman's life, opens the curtains to Takahashi Ryo's debut work in the supernatural genre.