Soft On Demand(ソフト・オン・デマンドSofuto On Demando), often known as SOD, is a Japanese adult video group of companies which has its headquarters in the Nakano ward of Tokyo. SOD was founded in December 1995 by Ganari Takahashi, who retired from the company in March 2005 and is currently working in agriculture. The company is one of the largest adult video companies in Japan and is notable for its creative approach to adult videos.