GTO. Great Teacher Onizuka. Book 5

Despite Onizuka's trademark optimism, life is not easy for him: he has to deal with envious colleagues and solve the problems of troubled teenagers...
And when is he supposed to relax? Maybe during the trip to Okinawa he will be able to unwind? No, not at all! In the new environment, the students of class 3-4 reveal unexpected sides of themselves: some become treasure hunters, some sadists, some heroes, and some even manage to fall in love! And guess who will have to deal with the aftermath...