"Mirror Ball" (typeset as MIRROR BALL) is a single by Alice Nine, released on March 26, 2008. The title track is the theme song of the live-action adaption of collectible card game and anime Aquarian Age (specifically, one of the stories, Juvenile Orion), in which the band also appears. The song "Eraser -Memoire d'une Fleur-" is a remade version of the song "Eraser" (イレイザー) from the band's Alpha album. The song "Mirror Ball" was later rearranged with piano accompaniment for the band's third album, Vandalize.