GTO: Great Teacher Onizuka Series by Tōru Fujisawa

Meet Eikichi Onizuka, a 22-year-old college karate champ and ex-biker. He's crude, foul-mouthed, and has a hair-trigger temper. Just the sort of guy you'd expect to see going back to school...to become a teacher

Meet Eikichi Onizuka, a 22-year-old college karate champ and ex-biker. He's crude, foul-mouthed, and has a hair-trigger temper. Just the sort of guy you'd expect to see going back to school...to become a teacher

When doctors diagnose Onizuka with a brain aneurysm, they reveal he could become comatose if he experiences severe head trauma. Despite the news, Onizuka jumps headfirst into a fight to protect Yoshikawa against Shibuya's gang. Although Onizuka wants to prove that he's no chicken, he might just end up a vegetable!