Hammer Session!  

ハンマーセッション！

Two prisoners successfully escaped from a police truck that crashed on a highway. one of them is imamura shouhei, a notorious gangster who has injured 10 rival bosses. the other person involved is yazwa yuu, a con artist with a cheating history worth about 100 billion yen. as part of a deal called "hammer session," yazuka yuu takes on the role of hachisuka gorou and becomes a teacher at a nearby junior high school.