LOONA (이달의 소녀; stylized as LOOΠΔ) is a twelve-member girl group under BlockBerryCreative.
From October 2016 until June 2018, each member of the group was revealed along with a solo single album and a music video with sub-units being introduced as members are revealed. They currently have 12 active members along with 3 subunits.
The full group held their debut concert "LOONAbirth" on August 19, 2018, followed by the release of their debut mini album [+ +] the next day.
Korean: 올리비아 혜