- Shonan Junai-Gumi

Genre: Comedy, Action
Age Rating: Mature
Plot: Actually not a summary but correction to the one there. Shonan Junai Gumi is not a prequel to GTO as it came first, GTO is the sequel to Shonan Junai Gumi. 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.