Osamu Adachi

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Osamu Adachi (足立理)
Born (1987-12-22) December 22, 1987 (age 27)
Tokyo, Japan
Years active 2004—2006, 2008

Osamu Adachi (足立 理 Adachi Osamu?, born December 22, 1987) is a Japanese actor and a former member of the acting group D-BOYS. He is best known for his role as Eiji Kikumaru in The Prince of Tennis musical series, Tenimyu, and in the live film adaptation.


In October 2004, Adachi joined the Watanabe Entertainment group named the D-BOYS. He took part in TV shows and has appeared in Glay's "White Road" (2005) music video. He was also a part of the Watanabe net drama "Hice Cool" (2005) and "DD-BOYS", appearing alongside fellow D-Boys members. But, by the end of January 2007, it was announced to fan club members that while Adachi was still being represented by Watanabe Pro, both he and Yuma Minakawa had officially withdrawn from the group. In April 2008, however, it was announced that Adachi would be re-joining the D-BOYS and participating in the second D-Stage. The reason given for his former withdrawal was that he had been studying acting at a university, and also that he had been feeling self-conscious about his abilities.

As Eiji Kikumaru in The Prince of Tennis Musicals[edit]

In 2004, Adachi won the role of Eiji Kikumaru, the acrobatic player of Seigaku Middle School's tennis club, in the Prince of Tennis musicals, Tenimyu. From 2005 to 2006, he became the third actor to play Kikumaru as a member of the second generation Seigaku cast. He made his debut as Kikumaru on January 8, 2005 in the Side Yamabuki performance in Osaka. That same year, his role as Kikumaru was carried into the live adaptation film of the manga. During his run in the musicals, he was able to work with fellow D-BOYS members Yuya Endo, Kotaro Yanagi, Masaki Kaji, Hiroki Suzuki, Hirofumi Araki, Masato Wada, and former member Yuu Shirota.

On March 29, 2006, in the Dream Live 3rd live concert, Adachi, along with the majority of the Seigaku cast, graduated from their roles. Since his graduation, the role of Kikumaru has been played by D-BOYS member Kōji Seto, Kyousuke Hamao, Shouta Takazaki, Yuta Koseki and currently by Kuroba Mario.

As Eiji Kikumaru in The Prince of Tennis live-action film[edit]

Adachi was able to carry on his role from the musicals to the live-adaptation film of the manga series of The Prince of Tennis. He, along with most of the principal cast members for the Seigaku Regulars, were able to reprise their roles in the movie. The only major casting change was the casting of Kanata Hongo as Ryoma Echizen, the main protagonist.

The Prince of Tennis was released on May 13, 2006 and opened on the tenth spot in the Japanese Box Office and marked Adachi's first appearance in the film industry.


  • Osamu is the youngest of two children. He has one older brother.
  • Adachi was given only one challenge in the show "DD-BOYS," unlike the other D-BOYS, who were each given at least two.
  • Adachi admits to not being very athletic. He became very emotional when he could not keep up with the others during the "tennis boot camp," which was preparation for filming The Prince of Tennis.


Year Title Role Other notes
2005 Hice Cool Takashi (Web Drama)
Boku to kanojo no xxx (Me and Her xxx) (Web Drama/Episode 1)
2006 The Prince of Tennis Eiji Kikumaru
Shinrei Shashin Kitan Junichi Yamamoto (in Story #2 "Miteiru")
DD-BOYS (TV documentary) Himself (Episode 5, 9, 11, 22, 23)
Princess Princess D (Drama) Akira Sakamoto
My Boss My Hero (Drama) Shinichi Maki
2008 Bra bra Ban ban (movie)
2010 Higanjima (movie) Nishiyama
General Rouge no Gaisen (Drama) Yasutomo Nagayama
Sayonara, Aruma Lance Corporal Kawamura a TV movie special
2011 Shibatora Appears in Special 2
2012 DxTOWN (Drama) Nada in Story #1 "Spiders Now"
Iryu Sousa 2 Mitsuo Kamata Episode 2

Stage Work[edit]


  • The Prince of Tennis Musical: Side Yamabuki feat. St. Rudolph (In Winter of 2004-2005)
  • The Prince of Tennis Musical: Dream Live 2nd (2005)
  • The Prince of Tennis Musical: The Imperial Match Hyotei Gakuen (2005)
  • The Prince of Tennis Musical: The Imperial Match Hyotei Gakuen in Winter (In Winter of 2005-2006)
  • The Prince of Tennis Musical: Dream Live 3rd (2006)


  • D-BOYS STAGE: The Last Game (June 2008)
  • D-BOYS STAGE vol 3: Karasu 04 (April 2009) as Ryu
  • D-BOYS STAGE vol 4: The Last Game (August 2010)
  • D-BOYS STAGE 2011: The Merchant of Venice (April 2011) as Nerissa


  • 2005 - Tenimyu - in Winter: Side Yamabuki - Featuring St Rudolph OST
  • 2005 - Tenimyu - Dream Live 2nd OST
  • 2005 - Tenimyu - The Imperial Match Hyotei OST
  • 2006 - Tenimyu - Hyoutei in Winter OST
  • 2006 - Tenimyu - Dream Live 3rd OST

Official DVDs[edit]

  • 2005 - Tenimyu - in Winter: Side Yamabuki - Featuring St Rudolph
  • 2005 - Tenimyu - Dream Live 2nd
  • 2005 - Tenimyu - The Imperial Match Hyotei
  • 2006 - Princess Princess D
  • 2006 - My Boss My Hero
  • 2006 - Tenimyu - Hyoutei in Winter
  • 2006 - Tenimyu - Dream Live 3rd
  • 2007 - DD-BOYS Vol. 1 - 6 (+ special DVD)
  • 2009 - D- Boys Stage vol. 3 ~ Karasu ~04

Photobooks & Calendar[edit]

  • 2005 D-BOYS - Start!
  • 2005 D-BOYS Desktop Calendar ´06
  • 2006 D-BOYS Desktop Calendar ´07

External links[edit]

See also[edit]