Edo Porn

Hokusai Manga Japanese , better known internationally with its exploitative title Edo Porn, is a 1981 biographical drama based on the life of Japanese artist Hokusai directed by Kaneto Shindo. It draws visual and narrative inspiration from the artists eponymous collection of sketches and focuses on an anachronistic story related to creation of The Dream of the Fishermans Wife.

Years later and after hardearned fame, Tetsuz, now Hokusai is 89. He lives by painting Ichimatsu dolls with ei. One day, ei finds a peasant girl who looks like nao played by the same actress. After he sees young ama playing with a dead octopus, Hokusai persuades the girl to pose for the shunga of an ama engaged in a threesome with two octopuses.

Source: Wikipedia