Eikichi Onizuka and Ryuji Danma are members of infamous biker duo, the Oni Baku. When not out riding around, they can be found in school, trying to pick up young women. This is the story of the young Onizuka, who would later become the greatest teacher in Japan, and his partner Ryuji in their quest to lose their virginity and reach maturity.

They are widely feared bosozoku, and are known for their tenacity and viciousness in a fight. However, this lifestyle does not exactly endear them to the opposite gender, so they decide to change their ways. However, this is easier said than done.

[Source: Anime News Network]

Tough on the outside, all heart on the inside, Onizuka turned to the life of a high school teacher for less excitement and action... or so he thought. GTO, A.K.A.: Great Teacher Onizuka, is the racy story of Onizuka, a former motorcycle gang member who becomes a teacher to make a difference and... to meet girls? Using his street smarts to deal with colleagues, students and troublemakers, Onizuka finds that he too has many lessons to learn!

[Source: AnimeNfo]