Rio Hirai (Rio Hirai, 1982 November 15 -) is a Japanese free announcer , talent . Former Fuji TV announcer . The agency is the management company deJaneiro, of which her sister is the representative, and Rio is also a director of the company. She was scouted by Exeed Alpha International when she was in junior high school and acted as a model. After serving as a member of " Oha Girl " on TV Tokyo " Oha Suta " in 1998, she became an exclusive model for the fashion magazine " Pichi Lemon " and became a semi-regular on TV Asahi 's TV drama " Animal Doctor ". Appeared and also appeared in McDonald 's CM . She belonged to the volleyball club when he was in junior high school and college. She entered Keio University Faculty, Department of Law with the recommendation of a designated school . After graduating from university, she joined Fuji TV in April 2005 and attracted attention as a former idol . Since April 3, 2006, she has been a caster for " Sport! " And appeared in the movie "Ôoku ". eSh participated in the " Tokyo Marathon 2009 " held on March 22, 2009 in the "Sport!" Frame, and completed the race in 5 hours 1 minute 35 seconds. Since April 5, 2009, she has been a cast in " Sakiyomi LIVE ", and also appeared in the successor program "Information Entertainment LIVE Journal! ". "2012 London Olympic Games in the public relations activities of the volleyball world final qualifying", 2012, TBS "on May 20, Leave it to Acre! " Gonna London! 2012 London Olympics volleyball world final qualifying go "and" Fuji TV on May 19, Appeared in " Mezamashi Doyoubi " with TBS TV announcer Erina Masuda . After leaving Fuji TV, she was active as a freelancer , but on January 1, 2013, she belonged to the management office "deJaneiro" where her sister Mao Hirai serves as the representative director . From April 7th, she be her first regular radio program on J-WAVE Sunday morning live wide program " WONDER VISION " From the broadcast on January 2, 2014 to the broadcast on December 25, 2014, she made a regular appearance as a new member in "Gourmet Chicken Race Gochi ni Naru! 15" of the variety show " Guru Guru Ninety Nine " on NTV . After becoming a freelancer, she made her first regular appearance on a TV program other than Fuji TV, and became a full-fledged talent activity since her idol days . 2014 April period TBS TV " Sunday Theater , Roosevelt game in", served as the actress industry to since idle activity 11 years . Completed the New York City Marathon on November 2, 2014 in 6 hours 1 minute 24 seconds , and completed her first essay book, "Fun, Run." was released on May 30, 2015 . She announced her pregnancy on June 25, 2017 [15] and gave birth to a girl on October 19.