is the J-pop duo

Rythem is a Japanese pop duo signed to Sony Music Japan consisting of two female members, vocalist/pianist and vocalist/guitarist . Rythem was active from 2003 until 2011; in 2021, they announced their return to performing on their official YouT ...

's ninth single. It was released on March 1, 2006 under

Sony Music Entertainment Japan , often abbreviated as SMEJ or simply SME, and also known as Sony Music Japan for short (stylized as ''SonyMusic''), is a Japanese music arm for Sony. Founded in 1968 as CBS/Sony, SMEJ is directly owned by Sony Group Corporation and is opera ...

label. The title track was used as the sixth ending theme for the anime ''

Yakitate!! Japan is a Japanese manga series written and illustrated by Takashi Hashiguchi. It was serialized in Shogakukan's ''Weekly Shōnen Sunday'' from December 2001 to January 2007, with its chapters collected in 26 ''tankōbon'' volumes. A sixty-nine ...

'' making this their second and last tie-in with the said anime series. This single peaked the #53 spot in the Oricon weekly charts. The item's stock number is AICL-1732.

Track listing

#Kokoro Biidama #:Composition/Lyrics: Rythem #:Arrangement: CHOKKAKU # M #:Composition:

Kaori Kishitani (born February 17, 1967), formerly , is a Japanese musician and singer-songwriter, best known as the lead vocalist of the all-female rock band Princess Princess and currently the lead vocalist of the band Unlock the Girls. In addition to her c ...

#:Lyrics: Kyoko Tomita #:Original singer: Princess Princess #Negai (Asayake ver.) #Kokoro Biidama (instrumental) 2006 singles Rythem songs 2006 songs {{2000s-Japan-single-stub