The Human Failure. A child born through incestuous action(no blood relations, meaning two Zerozakis gave birth to him), a Zerozaki in the Zerozaki. The serial killer of the Kyoto serial killing. "I" was supposed to become one of his victims when he encounter him on Friday 13th under the bridge. Has a tattoo on the right side of his face, dyed hair, three earrings on the right ear and one cellphone strap on the left ear. He is about 150cm tall. Zerozaki is the mirror self of "I", hence the other way around, too. Always wears a vest full of knives.
Character is error.