Tokugawa sekkusu kinshi-rei: shikijô daimyô

Kiyohime, a daughter of Tokugawa Ienari is married-off to Tadateru Ogura, the lord of a Kyushu clan. However, the lord's sexual inexperience and Kiyohime's strict morals lead to significant crisis in their marriage. To improve his sexual prowess, the lord is introduced to Sandra, a French woman held captive by usurer-smuggler Hatakaya. This results in the lord's choosing Sandra as his mistress. (imdb)