During her first evaluation stage, Kaeun shared, "I wasn't able to promote since 2013."�She�has been on a hiatus for around 5 years.�Bae Yoon Jung�asked, "Then what have you been doing?" Kaeun choked up and replied, "I just waited for my comeback..."

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Kaeun impressed the trainers with her outstanding vocal and dance skills. Bae Yoon Jung asked fellow trainer and also former After School member�Kahi, "Have you ever promoted with her?"�

Kahi replied, "No", and commented, "I think she was motivated by�NU'EST."�

Kaeun said,�"I felt like I could also try again, so I got up the courage (to appear on the show)." She also shared, "We haven't disbanded but they allowed me to go on the show when I expressed the wish to do so."

Kaeun ended up receiving an 'A' grade.�