Nine men and women awake totally disoriented in a locked room without knowing how they got there. But that is just the beginning, because suddenly there stands someone in a cheap samurai costume and introduces himself as "The Game Master," who tells them that they have been chosen as candidates for the "Death-Sushi-Games" - a bloody battle begins!
Despite of his short stature and his cowardly personality, Eisaku Yazawa dreams of one day becoming a gang leader of a nation of thugs. As he starts middle school, he ends up meeting several delinquents who attend the same school as his.