Mix & Match (EP)

Mix & Match is the debut extended play of South Korean girl group Odd Eye Circle (at the time a subgroup of Loona). It was released on September 21, 2017. The EP consists of five tracks, including the title track, "Girl Front".

Promotion and release
The group began teasing the album on September 9, 2017, by releasing photos of the group and individual shots of the members for the following 4 days. The album details were released on September 14, 2017, along with a confirmation of the release date and the track listing. This was followed by more teaser images, and previews of the music video and album songs on September 18 and 19 respectively through the group's official YouTube channel.

The album was released on September 21, 2017, as well as the official music video for "Girl Front", at 14:00 KST. This is also when the unit began promoting on various music shows.