Prior to their appearances, the group name was briefly revealed as Classy to introduce the forming group.
Six contestants from Grade 2 who performed poorly in the mid-point check were eliminated first.
Team B performed first after winning the split challenge.
There are two rounds for each performance.
Applications for the show were open from June 1 to 30, 2021, for any female individual born in 2010 or earlier.
To pass the first round, the contestants must receive at least 75% of the votes from the audience before being assessed by the mentors.