Shio is forced by the tragedy of the machine war to team up with a mysterious girl from another world whose blood is the color red, just like the prophecies proclaim. Is this girl the human race's last hope for survival in a world overrun by metal? (Source: VIZ Media)

Wāq Wāq was published in English as Waqwaq by VIZ Media under the Shonen Jump imprint from August 4, 2009 to May 4, 2010.