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fripSide is a Japanese trance and pop duo, originally formed by composer Sat and singer Nao in February 2002. They are the artists responsible for all of the Toaru Kagaku no Railgun opening themes.


In a 2008 interview, Sat said that he was a fan of TM Network and its member Tetsuya Komuro in his elementary and junior high school days and began to produce his music at the age of 14.[1]

FripSide Logo

The Official Logo for fripSide.

They officially became a part of Visual Art's in 2006. They released their works under elseena-music entertainment and many of their songs was created for Visual Art's games, as well as other erotic game companies. In addition, fripSide had a side group, called "fripSide NAO Project" which started on March 30, 2007. fripSide NAO Project released songs different from the usual style of fripSide, and did not follow fripSide's motto of "creating songs that everyone can relate to".[2] One album and one single were released under fripSide NAO project.

On March 15, 2009, nao stated on the fripSide Official Website that she had graduated from fripSide. Sat and nao want to pursue different musical careers, as nao intends to pursue a solo singing career. Meanwhile Sat will continue in fripSide with a new project called, fripside: THE NEXT PROJECT.[3]

Voice actress Yoshino Nanjō replaced nao as the vocalist of fripSide. They re-debuted under the record label Geneon Universal Entertainment with single "Only my railgun" on November 4, 2009. The single debuted at the number-three position on the Japanese Oricon weekly single charts with the first week sales of about 26,000 copies, which was higher than the position of single "Flower of Bravery" (No. 26) in 2008.[4]


Main membersEdit

  • Nao (vocal/lyrics) - graduated on March 15, 2009
  • Satoshi Yaginuma (Sat) (compose/arrangement/programming/lyrics/guitar)
  • Yoshino Nanjō (vocal/lyrics) - Announced as fripSide's new vocalist on July 28, 2009.

Sound staffEdit

  • Kenji Arai (sound director)
  • Takumi Okamoto (sound director)
  • masa (chorus, synthesizer)
  • Maya (guitar)
  • Takahiro Toguchida (guitar)
  • a2c (guitar)
  • Shinichiro Yamashita (lyrics)
  • Graphica3810 (design)
  • Kula (management)
  • riko (chorus)


fripSide (Nao)Edit


  • flower of bravery (July 16, 2008)

Original albumsEdit

  • first odyssey of fripSide (April 12, 2003)
  • 2nd fragment of fripSide (March 28, 2004)
  • 3rd reflection of fripSide (June 23, 2005)
  • binarydigit (August 24, 2007)
  • split tears (September 2008)

Other albumsEdit

  • the very best of fripSide 2002-2006(Coterie board) (July 15, 2006)
  • the very best of fripSide 2002-2006(Commercial distribution board) (December 29, 2006)
  • Re:product mixes ver.0.1(Comic Market 75 Limited) (December 28, 2008)
  • nao complete anthology 2002-2009 -my graduation- (July 17, 2009)

fripSide NAO project!Edit

  • Yappari sekaiha atashi☆legend!! (August 20, 2008)
  • Rabbit Syndrome (January 25, 2008)

fripSide (Yoshino)Edit



  • Infinite Synthesis (December 1, 2010)
  • fripSide PC game compilation vol. 01 (January 1, 2012)
  • DECADE (December 5, 2012)

Game Soundtrack & Related SongsEdit

  • ALcot Vocal Arrange Album Growing (December 29, 2007)
  • RADiO Twinkle☆Crusaders vol.3 (February 27, 2009)
  • Hidamari Basket Vocal Collection (December 11, 2009)
  • Areas~Koi Suru Otome no 3H~ Theme Song CD (March 26, 2010)
  • Prism☆Magical ~PRISM Generations!~ Magical☆Vocal Collection (August 27, 2010)
  • "Ren’ai Katei Kyoushi Rurumi★Coordinate!" Original Soundtrack (August 26, 2011)
  • "Hatsuyuki Sakura Special Soundtrack" (February 24, 2012)
  • Hatsuyuki Sakura Complete Soundtrack (May 25, 2012)
  • Koiken Otome Vocal Collection (December 24, 2012)

External LinksEdit


  1. "アニメ『恋姫†無双』の主題歌を手がけるfripSideがCD発売記念イベントを開催" (in (Japanese)). Animate. 2008-09-24. Retrieved 2010-01-29.
  2. "sat's fripSide blog, 8-26-2007". sat. Retrieved 2007-09-18.
  3. "fripSide". nao. Retrieved 2009-03-15.
  4. "To Aru Kagaku no Railgun's Opening Theme Lands at #3". Anime News Network. 2009-11-10. Retrieved 2009-12-28.
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