이달의 소녀 Odd Eye Circle

[b]Note: For the re-debuted sub-unit under [l=Modhaus]'s strategy project ARTMS, see [a=Odd Eye Circle].[/b] Odd Eye Circle (stylized as LOONA / ODD EYE CIRCLE or LOOΠΔ / ODD EYE CIRCLE; Hangul: 이달의 소녀 오드아이써클) is the second sub-unit of South Korean girl group [a=이달의 소녀], under [l=BlockBerry Creative]. The group made their debut on September 21, 2017 with the mini album "Mix & Match."