, in short gto, is a japanese shōnen manga series. it was created by tooru fujisawa. it was originally published in "weekly shōnen magazine" from may 1997 to april 2002. the story focuses on 22-year-old eikichi onizuka. he becomes a teacher at a private middle school, holy forest academy, in tokyo, japan. "shonan junai gumi" (lit. "shōnan true love group") and "bad company" are other manga series by tooru fujisawa. they focus on the life of onizuka before he became a teacher in "great teacher onizuka".