EP1 - Mechanical Friends Amicus Robots EP2 - A Black Box EP3 - Pursuit EP4 - Regret EP5 - Persona EP6 - Father and Daughter EP7 - Flower of Fire EP8 - Fiction EP9 - The Nightmare of Petersburg EP10 - Footsteps of the Nightmare EP11 - Replay of the Nightmare EP12 - Manifestation of the Nightmare EP13 - Dawn of the Nightmare