Gekiman! Mazinger Z Hen (激マン! マジンガーZ編), originally Gekiman! Mazinger Z no Sho (激マン! マジンガーZの章), is a Japanese comic book series created and drawn by cartoonist Go Nagai. It is the autobiographical story of Nagai as he developed the original Mazinger Z and its animated version. It is also the sequel of Gekiman!. The cartoon is currently serialized since 2014-07-04 (cover date #2014-07-18) in Nihonbungeisha's magazine Weekly Manga Goraku. So far the series has been collected in two standalone books published by Nihonbungeisha.