Massan is a Japanese television drama series, the 91st Asadora broadcast daily on NHK from September 29, 2014, until March 28, 2015. Massan is based on the lives of Masataka Taketsuru and his Scottish wife Jessie Roberta "Rita" Cowan, whom he met while studying abroad. American actress Charlotte Kate Fox stars as Ellie Kameyama opposite Japanese actor Tetsuji Tamayama as Masaharu Kameyama in a fictionalized account of Rita's travels to Japan and Taketsuru's attempts to begin the Nikka Whisky Distilling company. It is the first time that NHK's Asadora series has featured a non-Japanese actor in a lead role.

Masataka Taketsuru was a Japanese chemist and businessman. He is known as the founder of Japan's whisky industry and Nikka Whisky Distilling.