LOOΠΔ (Hangul: 이달의 소녀; lit. Girl of the Month) is a 12-member South Korean girl group under BlockBerry Creative, a subsidiary of Polaris Entertainment. The group has been garnering attention since September of 2016 and is considered one of the most ambitious and large-scale projects in the history of the K-Pop. The group is composed of twelve members, where each member released a single album up until the group's official debut. A new member was introduced each month.