Watch Online Free on Watchseries. Based on the Japanese legend of 15th century adventurer, Oguri Hangan Daisukeshige, Toyoda places us in a surreal world of tattooed Japanese slave workers whose real life roles serve more as symbols than actual characters. After being hired by a local despot, Daizen, to massage away a nasty venereal disease, Oguri is viley betrayed after refusing to stay longer.