Petit Best ~Ki Ao Aka~ (プッチベスト～黄青あか～) is the 1st best album in the Petit Best series, which are annual compilations released at the end of the year that feature best hits from the artists of Hello! Project during that year, with an occasional remix or new song included. Unlike the rest of the series, this first album was released in the spring, April 26, 2000 on the zetima label. This album sold a total of 903,230 copies. The Petit Best DVD was not released until 2004, alongside the DVDs for Petit Best 2 ~3, 7, 10~ , Petit Best 3, and Petit Best 5. It features PVs related to the album tracks.