Former motorcycle gang leader Onizuka Eikichi is finally accepted as a teacher after a series of chaos and mishaps. He is assigned to be a homeroom teacher for a class which holds a terrifying reputation of getting rid of all their previous homeroom teachers. However, this time they are dealing with Onizuka, whose ways of thinking won't be an easy opponent for them to beat. This drama also revolves around the students' relationship with other teachers and the opposite attraction between Onizuka and the English teacher, Fuyutsuki Azusa.
The main hero in it is someone who was a delinquent before and who just wants to continue his quiet life at school without being disturbed. He is someone who reveals his true nature, which is why he is not easily or gladly accepted by his surroundings.
The male protagonist is someone who follows his own moral. By reason of fair play and well being of his friends, he is not afraid to talk or do whatever he thinks right. Not obeying the school rules, he is always at verge of punishment.