Great Teacher Onizuka is back, and the next stage for his legend is…prison?! The trouble magnet of a teacher reveals that this stint behind bars is thanks to a certain incident with the class he became assistant homeroom teacher of half a year earlier: Kissho Academy’s new class for high school-aged celebrities! Does he regret the exploits that landed him in the slammer? Heck, no. In fact, he’s all too happy to calmly tell his fellow prisoners how the whole thing went down—if they’re willing to listen to his story from the very beginning...
Gunning for Onizuka's head, hitman Kagetora Tendo infiltrates Class G disguised as a teacher. Though his head was on the chopping block after flashing his tattoos to the students, Onizuka uses one of his "tricks" to save Kagetora's bacon in the nick of time. However, the yakuza make it clear that want Onizuka dead...now. Torn between duty and debt, Kagetora steels himself to whack his savior. And so, the stage shifts to the southern island paradise of Ishigaki. As the curtain falls on the tumultous tattooed trixter teacher arc, what will become of Kagetora?! And with one chapter in the books, a new one begins, featuring a high school actress!