Born in Shizuoka City in Shizuoka Prefecture Sakai Miki made her debut in Shunji Iwai's Love Letter in 1995, was a hit and won the Newcomer Of The Year at the Japanese Academy Award as a result. She moved forward to other movies and TV serials and has been active since. Prior to that she was a mascot for the variety show JanJan. Her foray into signing and j-pop came in 1993. She continued issuing albums and singles throughout the '90s and early twenty first century. Like all Japanese celebrities she has done commercials and advertising, in this case, for the likes of House foods. She married in October 2008. She also became a good-will ambassador for the Children Relief Program of World Vision Japan in the same year. She became a mother in 2010. She is represented by Watanabe Entertainment.