LOOΠΔ 1/3 (Hangul: 이달의 소녀 1/3) is the first sub-unit of the Blockberry Creative girl group LOOΠΔ. This unit is made up of the first four members that were revealed as a part of LOOΠΔ's pre-debut project: Heejin, Hyunjin, Haseul and Vivi. They debuted on March 12, 2017 with the song "Love & Live" performed on Inkigayo along with b-side "You and Me Together". Their first mini album Love & Live was released a day later. They released a repackaged edition of the album, titled Love & Evil, on April 27.