1. Shonan Junai-Gumi!

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. 21 January 1994. 24 min

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.

2. Shonan Junai Gumi! 2

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. 23 September 1994. 24 min

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.

3. Shonan Junai Gumi! 3 Runaway Angel of Hell

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. 23 June 1995. 24 min

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.

4. Shonan Junai Gumi! 4 Hunting Death

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. 24 May 1996. 24 min

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.

5. Shonan Junai Gumi! 5 Forever Onibaku

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. 24 January 1997. 24 min

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.