GTO. Cool Teacher Onizuka. Book 7

With teenagers, even the most rowdy ones, Onizuka's life experience helps to cope. But what to do if the opponent turns out to be a peer, a fellow teacher? Teshigawara, who has tried more than once to get rid of Onizuka out of jealousy for Azusa, kidnaps her, hoping to marry her by force, but Onizuka and Azusa's younger sister uncover his plan. After another failure, Teshigawara finally loses his mind: he shoots at Onizuka and plans to start a massacre, blaming the whole world for his misfortunes…