 Onizuka decides to become a teacher.His initial training is in the Musashino Public High School, where he meets Nanako Mizuki.His experience taming the rowdy gangs in his assigned class hardens his convictions that teaching is the way to go, and when he learns of Mizuki's problems, he also decides to abstain from sexual experience with schoolgirls, opting to solve their personal issues for them, instead.