Mihiro was born in
Niigata prefecture on May 19, 1982. She began a career as a softcore nude model as early as May 2001 when her video
Dream (どりーむ) was released followed by the publication of the similarly named photobook
Dream (夢) in August 2002. She appeared in a number of other softcore nude modeling videos and photobooks over the next year and a half. Mihiro also acted in several softcore
V-Cinema productions during this time including the 2003 comedy directed by
Naoyuki Tomomatsu. and Kōji Kawano's 2004 . She was also featured as a singer in a
J-Pop Maxi single titled
Sunflower (ヒマワリ) for Dream Robot in October 2004.
AV debut – Alice Japan & MAX-A Mihiro made her transition from nude model to AV actress in January 2005 when
Alice Japan released her debut adult video
Little Angel. A month later, she made her first video for the
MAX-A studio,
Super Star. For the next two and a half years until mid-2007, Mihiro made about one AV a month alternating between Alice Japan and MAX-A. At the same time, Mihiro was also appearing on TV in the
TV Asahi drama or
Mission Section Chief Hitoshi Tadano. She was in Episode 1 of the second year series (Whole Episode 12) of the program broadcast on January 14, 2005. She began 2006 with a regular role in
TV Tokyo's romantic comedy, , which ran in 12 episodes from January to March 2006. In April 2006, she was one of the leads in the
V-Cinema horror film,
Zombie Self-Defense Force directed by
pink film and horror movie director
Naoyuki Tomomatsu. Throughout 2006, she continued appearing in monthly adult videos for MAX-A and Alice Japan. One reviewer commented that Mihiro's was "the only performance of note". The DVD was released in the US with English subtitles in November 2008. Mihiro continued her singing career with an all AV Idol group, the "Man-zoku ディーバ Divas" which originally consisted of Mihiro,
Akiho Yoshizawa and Naho Ozawa. Ozawa later left the group which was eventually expanded to five singers. Mihiro's final videos for the MAX-A and Alice Japan studios were released in the first half of 2007. and she also appeared as a guest star in Episode 1 of the erotic drama which was aired by
TV Asahi in August 2007.
Maxing & S1 From July 2007, Mihiro began making videos with two new AV studios,
Maxing and
S1 No. 1 Style. She kept to her previous pattern of doing one movie per month, alternating between the two companies. In the mainstream film arena, she starred as Ms Lin, the owner of a dumpling shop with a "secret ingredient", in director Kōji Kawano's 2008
V-Cinema erotic horror-comedy
Cruel Restaurant. She had previously worked with Kawano in the 2004 video
Chakuero no onna Karina. She has also done a number of TV skits with Japanese comedian
Ken Shimura. In 2009 Mihiro continued her AV career with S1 and Maxing but she also appeared in roles in theatrical movies, the first being in March, in the drama , also known as
8000 Miles. The movie, directed by
Yū Irie, follows a group of aspiring rap singers in Tokyo's
Saitama prefecture. The film was awarded the Grand Prix at the 19th
Yubari International Fantastic Film Festival in 2009. In June 2009 she was in
Ju-on: White Ghost / Black Ghost, part of the famous Japanese
Ju-on series re-made in the US as
The Grudge. Later, in July she had a part in the action-horror gore-fest by director Kengo Kaji,
Samurai Princess: Devil Princess.
Autobiography and retirement Mihiro published an autobiographical memoir titled
nude, detailing her early life and entry into AV. The book () was released by Kodansha on May 19, 2009. Her book is one of a number of autobiographical works by actresses about the AV industry going back to
Ai Iijima's novel
Platonic Sex in 2000, and including
Saori Hara's
My Real Name Is Mai Kato: Why I Became an AV Actress from December 2009, and
Honoka's 2010 book
Biography of Honoka: Mama, I Love You, which adult media reporter Rio Yasuda sees as marking a trend in which the AV industry is being assimilated into popular culture. Also in 2009, she traveled to
Korea to promote a four-part dramatic TV series
Korean Classroom, a joint Korean-Japanese production which aired on Korean TV in May 2009. The series, which also starred AV Idols
Sora Aoi and
Rio (Tina Yuzuki), deals with three Japanese girls who travel to Korea and fall for some local men. In 2010, in addition to her regular schedule of adult videos for S1 and Maxing, she starred in the low-budget comedy , released in February and directed by Dai Sakō. In May 2010, it was announced that Mihiro's autobiographical work
nude would be made into a movie starring
Naoko Watanabe and directed by Yuichi Onuma. The movie started shooting in May and was released on September 10, 2010. Earlier in the year Mihiro had announced her retirement from AV and her retirement work, the 2-disc
Mihiro Final - Special Technique on June 19, 2010, for
S1. In 2012, the major Japanese adult video distributor
DMM held a poll of its customers to choose the 100 all-time best AV actresses to celebrate the 30th anniversary of adult videos in Japan. Mihiro finished in 83rd place in the balloting.
Later career In 2013, Mihiro starred in the
Toho comedy
Goddotan kiss patience Championship - The Movie, a film adaption of the popular
TV Tokyo variety show. Mihiro played the part of Yurufuwa-chan in , the
TV Tokyo comedy about a group of 30-something women starring gravure idol
Mitsu Dan, which aired July–October 2014. Since 2017 she's been a member of the newly reformed
Ebisu Muscats and performs regularly with the band. She also discontinued the selling of her former AV work from DMM.com by the so-called "5-year rule" (introduced around 2016), that allows AV actresses to stop the mainstream distribution of their videos five years after retirement. ==Filmography==