Fourth volume of the Japanese anime series. In a dystopian future, law and order is breaking down in Tokyo and the RAPT police service are gradually taking control of society. But in the middle of these dark times, a mysterious angel called Jo arrives on Earth, and with her partners Sei, Amy and Meg, only she can restore peace. In this volume, the city of Osaka is under siege, and Meg and Jo are dispatched to hunt down a cold-blooded killer. Episodes are: 'Showdown in Osaka'; 'Wild Kids'; 'Slingin' Oil'; and 'The Man With No Name'.