Legendary rap group The Dirty Dawg could have taken Japan by storm, but they broke up before they could. Now each member has joined one of four rival groups—fighting for the territories Ikebukuro, Yokohama, Shibuya, and Shinjuku. Battles for turf are fought with Hypnosis Mics. These special microphones have the power to affect the human spirit, and people now use rap to determine superiority.