[[File:Onikubo GB Boy.png|150px|thumb|''GP Boy'' by Onikubo.]]
[[File:Onikubo GB Boy.png|150px|thumb|''GP Boy'' by Onikubo.]]
*Onikubo was also [[Tetsuo Hara]]'s chief assistant for {{W|Fist of the North Star}} before he became Araki's.<ref>https://twitter.com/xs1100T/status/1314543499061030913</ref>
*Onikubo was also [[Tetsuo Hara]]'s chief assistant for [[Fist of the North Star]] before he became Araki's.<ref>https://twitter.com/xs1100T/status/1314543499061030913</ref>
*On the cover of [[Chapter 290]], one of the manga falling out of [[Toshikazu Hazamada]]'s locker is the first volume of ''GP BOY'', a series illustrated by Onikubo and written by Kunihiko Akai. It was originally serialized in ''[[Weekly Shonen Jump]]'' in July 1990 as part of a sponsorship with the {{W|Formula One}} team at the time.<ref>[https://comicvine.gamespot.com/gp-boy/4050-90955/ GP Boy - Comic Vine]</ref><ref>{{JJN|Volume 15 (Iggy)|Part=SC}}</ref>
*On the cover of [[Chapter 290]], one of the manga falling out of [[Toshikazu Hazamada]]'s locker is the first volume of ''GP BOY'', a series illustrated by Onikubo and written by Kunihiko Akai. It was originally serialized in ''[[Weekly Shonen Jump]]'' in July 1990 as part of a sponsorship with the {{W|Formula One}} team at the time.<ref>[https://comicvine.gamespot.com/gp-boy/4050-90955/ GP Boy - Comic Vine]</ref><ref>{{JJN|Volume 15 (Iggy)|Part=SC}}</ref>
Onikubo's personal work consists of Japanese Adult comics. Co-produced alongside his partner Reki Taki, the two distribute dojinshi to various outlets.
On the cover of Chapter 290, one of the manga falling out of Toshikazu Hazamada's locker is the first volume of GP BOY, a series illustrated by Onikubo and written by Kunihiko Akai. It was originally serialized in Weekly Shonen Jump in July 1990 as part of a sponsorship with the Formula One team at the time.[7][8]