Tina Yuzuki, also known as Rio, is a Japanese former AV actress, singer, and actress. Born on October 29, 1986, in Tokyo, Japan, she has a Portuguese mother and Japanese father, and speaks Portuguese. Standing at 1.54 m (5 ft 1 in), she debuted in AV in November 2005 with Max-A's Hot Wind. She won Best New Actress at the 2006 AV Actress Grand Prix. In late 2007, she adopted the stage name Rio and joined S1 No. 1 Style, later moving to IdeaPocket in 2009, starring in nearly 500 films over a decade. Achievements include Best Actress at the 2008 Adult Broadcasting Awards and winning the 2009 AV GrandPrix for Double Risky Mosaic, Rio & Yuma. She transitioned to mainstream with roles in films like Stop the Bitch Campaign (2009), Hard Life (2011), and 9 3/4 (2012), plus TV dramas such as Unubore Deka (2010). A member of Ebisu Muscats, she debuted as a solo singer in 2013 with "I'm Sexy". She retired in January 2016 with Rio FINAL.