LOONA / ODD EYE CIRCLE (이달의 소녀 오드아이써클; stylized as LOOΠΔ / ODD EYE CIRCLE) is the second sub-unit of the girl group LOONA. They debuted on September 21, 2017 with Mix & Match. They also released Max & Match, a repackage of their first mini album.
- Mix & Match (2017)
- Max & Match (2017)
- "Loonatic (English Version)" (2017)
- The three letters in "ODD" represent three overlapping moons.
- Their debut stage was on M Countdown.
- They are the first sub-unit to not only perform at Inkigayo.
| || To view the ODD EYE CIRCLE gallery, click here.