About Eikichi Onizuka, a 22-year-old ex-gangster member and a virgin. He has one ambition that no one ever expected from him. His solely life purpose is to become the greatest high school teacher ever.

During the summer festival five years ago, two girls met at a mysterious tree and saw two glowing spheres. Now, these two girls--Saki Hyuga, ace pitcher on the school softball team; and Mai ...