Shuichi Saihara works as a detective for the state. His team tends to focus on a specific criminal organization known as D.I.C.E. The leader is a young man, Kokichi Ouma, who plays himself off as an evil man who brings nothing but despair to the face of this disgusting earth. Shuichi chooses not to believe how straightforward Kokichi's motives are. Using his detective intuition, he discovers that this Kokichi Ouma is not quite what he seems.