Japanese Wife Next Door (2004)
The Japanese Wife Next Door淫乱なる一族 第一章 痴人たちの戯れ
Office worker Takashi shares a drink one night with two women: Ryoko and Sakura. Fate intervenes and he subsequently ends up marrying Sakura. The newlywed couple move into Takashi’s family home (shared with his sister, father and grandfather), but Sakura’s nymphomaniac sex drive soon starts to cause tensions.
A businessman’s life is almost complete all he needs is a wife. He meets two prospective women but ends up marrying the one who’s a secret nympho! Unable to satisfy her lust, the new wife seduces the rest of his family including the businessman’s sister and grandpa!