Pure Love Gang of Shonan1994–1997

Name: Pure Love Gang of Shonan
Genre: Animation, Comedy
Cast: Issei Futamata, Hideyuki Hori, Hiromi Tsuru, Masako Katsuki, Junko Asami

Follows the adventures of Eikichi Onizuka and Ryuji Danma together known as Oni-Baku, Shonan's strongest fighting duo as they try to lose their virginities, 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