Written and produced by Brave Brothers, the song was released on February 17, 2014, by JYP Entertainment as the lead single from the EP.
"[2] The Korea Herald said that the song "delivers a fresh sound, gladly moving away from the typical musical style found on many recent JYP releases.
The groovy brass and guitar riffs alongside sensual drumbeats blend in well with Sunmi's husky vocals.
"[3] The music video, directed by Naive Creative Production,[4] was released along with the song.
[6] Pearl and Garnet's fusion dance in the Steven Universe episode "Cry for Help" (which aired on July 13, 2015) was inspired by the choreography of "Full Moon" with storyboards timed to the song.