Seto Asaka was born Ieda Megumi in Seto, Aichi Prefecture. Her alias is obviously borrowed from her birthplace. She was discovered by a talent scout during her third year of junior high school. Reportedly, many people in her area pointed the scout to her house and the man made a house call. She moved to Tokyo. She made her debut in Wangan Bad Boy Blue in 1992, for which she received a nomination for Best New Actress in the Kinema Junpo Awards, and has since divided her time between TV serials, TV movies and the cinema. Beginning 1993 she started doing the obligatory commercials and advertisements for a bunch of corporations. She released music singles beginning 1995 and eventually issued four of them in that year and 1996. She also issued three albums, with the last one appearing in 2002. She won the award for Best Actress for 2002's Travail at the 24th Yokohama Film Festival. She married Inohara Yoshihiko of the boy band V6 in September of 2007, had the wedding party in 2008 and gave birth to a son on the second of March 2010. Their marriage was announced formally at a press conference. Her daughter came in 2013. She won the Sixth Annual Parcassio Beautiful Legs Awards in the 30s age group category in 2008. Seto launched her own clothing brand called Violetta Chione, but the line did not have legs and was wound down in 2010. She is managed by Foster Management. There are four photo books about her. She enjoys driving, collecting soaps and shopping with her family on her days off. She also enjoys eating Arrabbiata sauce, but dislikes cheese on its own.