IOI's former member PRISTIN Gyeolgyeong, "angry expression" is being the topic.

* Chinese audition program "Idol Trainee" which is not related to the audition program "PRODUCE101" but which is quite similar to it.

* Male traineess can not make it to the expected result, and here comes the angry expressions.

* However, in Korea "men who want to get mad by Gyeolgyeon" are rapidly increasing..