Sayaka Isoyama is the Japanese Actress, singer, and gravure idol. Was born on 1983-Oct-23 in Hokota, Ibaraki, Japan. Her hobbies is Karaoke, watching high school baseball games, and learning about idols.
Sayaka is an avid fan of baseball. When she was in high school she was the manager of the baseball team, and even then could tell you everything there is to know about the sport.