He came into this world as a human, but found himself infected, day after day losing the remnants of life in pursuit of light. To survive, he will have to become a warrior who knows no mercy, tasting the bitterness of losses and defeats. The gods of the unfriendly world hate him, but Death has bet on a lone warrior, and the past will allow him to gain strength. Or will he again throw oblivion into the abyss? Darkness sets in, and a guy named Kay has to become a decisive cog in the huge mechanism of world war, because only he is able to stop the bad... if he himself does not fall victim to it.