Casshern awakens to find his world reduced to a corrosive wasteland. Lost in a future he does not recognize, he struggles to stay a step ahead of those who wish death upon him.

Beautiful Sophita is feared by robots who wish to live as long as their decaying bodies will allow. Fighting makes her feel alive, and Casshern’s special abilities make him a foe she could fight forever.

Lyuze reveals her reason for hating Casshern, who offers her a chance for revenge. When robotic bandits attack Ringo and Ohji, Casshern comes to their rescue, but his rampage terrifies those he hopes to save.

Casshern desperately seeks to unravel the mystery of his dark past. An altercation with Dio, his robotic mirror image, could provide answers to his many questions - or at least get him killed.

A mesmerizing robotic songstress needs Casshern’s help to evade a hoard of murderous robots and bring hope to those who’ve thus far survived the Ruin.

Dying robots far and wide herald the saving grace of Luna. Meanwhile, Lyuze is disturbed to notice that Ringo has begun to rust, and Casshern is confronted by the monster who ordered him to Ruin the world.

Ringo’s attempt to comfort Casshern leads her into a deadly trap. Ohji is quick to come to her rescue, but for them both to escape alive, Casshern must fight Dio as Braiking Boss looks on.

Casshern and his friends enjoy the peace of their new lives until the Ruin destroys their happiness. Driven by grief, Casshern sets out to settle the score with Braiking Boss - and issue a warning to Luna.