1x4 - No. 6

Sion and Rat visit a former reporter for the Latch Bill newspaper to learn the meaning of the message from Karan. Sion is troubled by the savage world outside the city, but eventually, they find Rikiga, the man they are looking for. They learn that Rikiga , who once sought to unravel the mystery of No. 6, now makes his living by selling women to the officials of No. 6.