The fifth grader IQ, who is a prodigy in mathematics and wears a cardboard box over his head at all times, sees Yuki as a mentally ill and lonely person, but hangs out with him.

A seinen manga,[3] GoGo Monster was published by Shogakukan in a single tankōbon volume on October 23, 2000.

[12] In 2006, the manga earned a nomination for Angoulême International Comics Festival Prize for Artwork, which it lost to Le vol du corbeau by Jean-Pierre Gibrat.

[13] It was nominated to the 2009 Los Angeles Times Book Prize for Best Graphic Novel but David Mazzucchelli's Asterios Polyp won it.

[14] The manga was generally received positively by critics, including Deb Aoki of About.com,[1] Joseph Luster of Otaku USA,[15] Oliver Ho of PopMatters,[16] Publishers Weekly,[17] and Shaenon K.