Ryo Saeba isn’t exactly a hero for our times. A denizen of Tokyo’s seamy Kabukicho entertainment district, the private investigator is an expert marksman and pugilist, but also an incorrigible pervert. Anyone seeking his services can leave a message on a blackboard in nearby Shinjuku Station, though they should be warned that he only goes for the pretty customers — and he won’t be looking at their faces when he’s talking to them.