"Frienger" (フレンジャー; Furenjā) is Ai Otsuka's 11th single under the avex trax label and her first of three singles in 2006. "Frienger" is a catchy, upbeat song. The title is actually a portmanteau of the words "Friend" and "Ranger". The song was used in the CM for au mobile service and was the theme song for the television program "Sports Uruguzu". The B-side track, "Amai Kimochi Maru Kajiri", was used in a Music.jp CM. The music video for the song was filmed in Taiwan. "Frienger" debuted at #2 on the Oricon Weekly Singles Chart with 70,414 copies sold. It maintained high sales for the following two weeks and sold a total of 173,115 copies in 2006. "Frienger" was Otsuka's best-selling single of 2006 and the 60th best-selling single of 2006 overall. It is currently her fourth best-selling single. Track listing Live performances 3 April 2006 – Hey! Hey! Hey! Special 15 April 2006 – Music Fighter 21 April 2006 – Music Station 22 April 2006 – CDTV 1 May 2006 – PopJam DX 29 December 2006 – Sakigake Ongaku Banzuke - "Frienger" + "Ren'ai Shashin" 1 January 2007– CDTV - "Frienger" + "Ren'ai Shashin" Charts Oricon Sales Chart (Japan) References 2006 singles Ai Otsuka songs 2006 songs Avex Trax singles Songs written by Ai Otsuka