On the trail of a hoard of hidden gold, Saichi “Immortal” Sugimoto and the Ainu girl Asirpa have already tracked down some of the escaped prisoners whose ta

At long last, all of the tattooed skins are accounted for. Asirpa, the key to solving the code and the location of the Ainu gold, is in the hands of Lieutenant

The serial killings in Sapporo turn out to be the work of the infamous Jack the Ripper, who fled to Japan after his murderous spree in London. After tracking hi

The search for the tattooed convicts leads Sugimoto, Asirpa, and Shiraishi to the infamous Botaro the Pirate, a man with nearly superhuman swimming abilities. T