Tôru Fujisawa

Unlike the usual GTO storylines, the film takes place as far away from the big city as possible. The setting is the rural town of Horobonai, which is located on Japan's northern-most island of Hokkaido. The local high school has a trouble class, which is mostly due to the presence of Ayano Katsuragi (Rena Tanaka), the local ice princess, whose dad ran a theme park called "Canada Land." (asianwiki.com)

Onizuka is a reformed biker gang leader who has his sights set on an honorable new ambition: to become the world's greatest teacher... for the purpose of meeting sexy high school girls. Okay, so he's mostly reformed. However, strict administrators and a class of ruthless delinquents stand between Onizuka and his goal and they will use any means, however illegal or low, to drive the new teacher away. (myanimelist.net)

Sorimachi Takashi plays Onizuka Eikichi, a graduate of a third-rate University and the leader of a motorcycle gang, whose lifelong dream is to become a teacher. After being hired by a seemingly eccentric director, Onizuka begins his unconventional way of teaching a hopeless group of troublemakers. (mydramalist.com)

Follows the adventures of Eikichi Onizuka and Ryuji Danma together known as Onibaku, Shonan's strongest fighting duo as they try to lose their virginity, while trying to survive through high-school. The series is considered the prequel to GTO showing Onizuka as a teenager before he became the world's greatest teacher.