Koike Eiko, born November 20, 1980 in Setagaya-ku, Tokyo, Japan, is a Japanese idol. Outside of Japan, her best-known work is the film 2LDK. She has worked as a ringside commentator and spokesperson for Japan's PRIDE Fighting Championships from 2000 to 2006. Koike has been married to professional wrestler/mixed martial arts fighter Wataru Sakata since 29 August 2007. (Source: Wikipedia) Watch drama online for free.