CHIC&IDLE (시크한 아이들) is a nine-member project girl group under Liz Entertainment. They debuted on July 20, 2020, with the digital single "3! 4!".
On July 16, the group held their debut stage on Mnet's, M Countdown, where they performed their upcoming track "3! 4!". The song is a remake of the song released in 1996 by the co-ed hip-hop group Roo'Ra.