The song is the seventh Japanese single from T-ara, written and composed by MEG.ME with arrangement by KOH. The song to be included in their second Japanese album,
Treasure Box. The single was released in 3 different versions: a limited CD+DVD edition and two regular CD-only editions with different covers. An MV teaser was released on July 2, 2013. It was later re-released on the group's 2014 Best hits album
T-ARA Single Complete Best Album "Queen of Pops". The single's first jacket visuals and the music video are all inspired by Japanese animation. T-ara members cosplay as "little devils" in the music video. Merchandise included stickers and collectibles based on the animated characters. An app was later released based on the music video of the song. It allowed users to play with an animated version of each member through mini-games, it also contains unlockable costumes, pictures, and songs. == Music video ==