Tenchijin (天地人) is a 2009 Japanese historical drama television series, and the 48th taiga drama of NHK. It aired every Sunday from January 4 to November 22, 2009, spanning 47 episodes. The drama centers on the life of 16th century samurai Naoe Kanetsugu, played by Satoshi Tsumabuki. Production began on April 27, 2007. The drama is based on the novel of the same name by and was adapted by , with Michiru Ōshima as series composer. The fourth episode of the series, “An Older Woman” (「年上の女（ひと）」), is the highest-rated episode of any Japanese drama in 2009.