Tina Yuzuki, also known as Rio, is a Japanese actress, singer and former AV idol who debuted as an AV actress in 2005, appearing in videos produced by the Max-A and S1 studios. After starring in AVs in various genres during her first year in the industry, she won an industry award as Best New Actress for 2006.

[3] Since late 2007, she has used the stage name of Rio. In 2009, she transferred to IdeaPocket and became one of the studio's most prominent actresses. After a career that spanned over a decade and nearly 500 adult films, she retired in January 2016.