From manga superstar Tohru Fujisawa—creator of the international bestseller GTO—comes TOKKO!Ranmaru Shindo joined the Special Riot Squad to avenge the mysterious death of his parents five years ago—a crime that has gone unsolved. Recently, he has been having recurring dreams of a young woman covered in blood, wielding a giant sword. And when this mysterious woman suddenly appears in front of him as a member of the Special Public Safety Task Force (TOKKO), Ranmaru's dreams suddenly become frightening real... A violent earthquakes hit Tokyo and rumors of a demon-like creature unleashing its superhuman powers upon the city—forcing Ranmaru to begin a journey to uncover the true nature of TOKKO and its strange and sundry members.

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More survivors of the Machida incident are found, but are they friend or foe? As Itto continues his quest for revenge, the boys face their greatest challenge yet...