Ai Otsuka
Three singles were released before the album: double A-Sided "Smily / Biidama", "Neko ni Fūsen" and "Planetarium". "Smily / Biidama" and "Planetarium" were the first two Ai Otsuka singles to reach the #1 spot in Oricon Weekly Singles Chart, and, having sold more than 300,000 copies each, are among her best-selling singles. All three singles are in the Oricon Top 100 Singles for 2005. On the other hand, "Cherish" had already been released as the final track in the various artists album "Love for Nana: Only 1 Tribute", a homage to the manga.