Note: The interview below is for a series on Idology about the people who work behind the scenes of the idol industry. The interviewer is Park Hee-ah (PHA) and the person being interviewed is a vocal trainer, Kim Sung-eun (KSE), who trained some members of BTS before their debut. Below, only the part related to BTS is translated.
"There are fewer kids than I expected who contact me after they become popular."
PHA: Not only IOI, but teams you taught before are also on a real upward trend. BTS is the representative.
PHA: Not only IOI, but teams you taught before are also on a real upward trend. BTS is the representative.
