2019: The Six
2020: Plus Two
On April 12, a comeback scheduler for the group's upcoming mini album titled Plus Two was released. For the mini, two new members will be introduced: Rayeon and Via. Meanwhile, Yoonhye and Chaelin will be taking a break from group activities.
2021: Comeback with "Starry Night", Girls Planet 999 participation
On May 10, the group came back with their first digital single "Starry Night".
Each member represents a different day of the week.
|Doi (도이)||Lead Vocalist, Rapper, Visual||Thursday||2019–present|
|Sika (시카)||Main Vocalist||Friday||2019–present|
|Chaelin (채린)||Main Rapper, Vocalist||Wednesday||2019–present|
|Via (비아)||Lead Dancer, Vocalist, Rapper||TBA||2020–present|
|Yoonhye (윤혜)||Lead Dancer, Vocalist, Rapper||Saturday||2019–present|
|Inactive (currently participating in Girls Planet 999)|
|Chiayi (지아이)||Main Dancer, Vocalist, Rapper||Tuesday||2019–present|
|Rayeon (나연)||Main Vocalist||TBA||2020–present|
|Doah (도아)||Lead Rapper, Lead Dancer, Lead Vocalist, Center, Face Of The Group, Maknae||Monday||2019–present|
|Sangah (상아)||Vocalist, Dancer||N/A||N/A|
- "Starry Night" (2021)