, officially abbreviated as
GTO, is a Japanese
shonen manga written and illustrated by
Tooru Fujisawa. It was originally serialized in
Weekly Shonen Magazine from May 1997 to April 2002. The story focuses on 22-year-old ex-
bosozoku member Eikichi Onizuka, who becomes a teacher at a private middle school, Holy Forest Academy, in
Tokyo,
Japan. It won the 1998
Kodansha Manga Award for
shonen and is a continuation of Tohru Fujisawa's other manga series
Shonan Junai Gumi (lit. "Shonan True Love Group") and
Bad Company, both of which focus on the life of Onizuka before he becomes a teacher in
Great Teacher Onizuka.