Eikichi Onizuka, a former biker gang leader, aims to become Japan's top high school teacher not out of love for education but for a youthful bride. Despite his perverted and lazy traits, Onizuka surprises as he takes on the unruly Class 3-4 at Holy Forest Academy. Known for tormenting teachers into quitting, these students challenge Onizuka, who faces bullying, suicide, and more. With unconventional methods and unwavering dedication, Onizuka dives into his students' issues, even risking his life to save them. Through his quirky charisma, Class 3-4 discovers the unexpected joys of learning under the guidance of the Great Teacher Onizuka.