If Caty were cast by an entertainment agency, she’d become a trainee. That is far from the glamorous lifestyle of a K-Pop superstar. Haeryun finds out the reality of traineeship by meeting two former trainees, including one who almost made it to K-Pop megastardom in the group BTS. Along the way, Haeryun reveals what motivates Caty to continue pursuing her dream despite the constant disappointment and rejection. 

Consultant: Suk-Young Kim