Humanity, who has always been pursuing perfection, has continued to develop machines. However, machines continue to develop on their own and build '0110', a more complete digital world that resembles the human world. However, machines that value only efficiency reduce unnecessary things one by one in the human world, and humanity eventually perish. And, eventually, the digital world gradually returns to its original form, that is, a form similar to a computer chip.
However, 'H-6', the only survivor who gained eternal life by grafting his body and machinery. He try to escape from the tyranny of ruthless machines by using his cloned human 'DH-6'.