The "Jail" suddenly appeared a number of years ago, sinking the city deep into the ground. There, this impenetrable living prison 666 metres beneath the surface, held power over eerie creatures called "Marchens. " Within the prison was a boy named Jack - living a life of suffering, tortured day in and day out, in a world where all dreams, hopes, peace, and humanity had been lost for as long as the people could remember. Then one day, amidst the darkness that prevailed, a girl who called herself a member of the Blood Team appeared before Jack, holding giant scissors dripping in blood! This marked the beginning of fate - of Jack's and the Blood Maidens' escape from the Jail...