During the summer holidays, Saiko becomes Niizuma's assistant, hoping to learn more about his rival's technique, while Shûjin takes advantage of his free time to perfect his nemus. But at the end of the holidays, Saiko decides to continue solo because Shûjin has not finished the nemus that were planned. Our duo splits up! Yet, without knowing it, Saikô and Shûjin will work each side on a police story....Their editorial manager, Mr Hattori, will manage to reform the group?