"Perfect Girls / To The Top" is the 20th single of Dream and first released as a 6-member group. This is also the group's first single to be released under the rhythm Republic label. It was released on September 9, 2009 in CD+DVD format and it was sold exclusively at Dream's live performances, on LDH and EXILE mobile shops and through mu-mo.
"Perfect Girls" is the theme song to Wangan Midnight: The Movie, a live-action film based on the popular "Wangan Midnight" manga. "To The Top" is the theme song of the Japanese DVD release of Prison Break Season 4.