The producers of 'K-Pop Star' revealed that they weren't able to get in contact with Nam So Hyun because she is currently in school taking classes. However, the producers added that they will try to find the truth. 

Meanwhile, the issue arose when an ex-elementary and middle school classmate of Nam So Hyun wrote an online post on December 15 via Nate Pann about how Nam So Hyun's actions in school had caused great distress and expressed discontent that such a person was on air acting innocent in front of the camera.

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According to the online post, Nam So Hyun had bullied, threatened, and collected money from younger kids and was caught smoking in school. The accuser also revealed to have been a victim of bullying by Nam So Hyun and had given money to Nam So Hyun multiple times.

However, after graduating middle school and appearing on 'K-Pop Star,' the classmate went on to write that Nam So Hyun pretended to be pure and innocent without repentance. 

The accuser wrote that the reason for the post was because the writer could no longer bear to watch someone who bullied the accuser for so long receiving praise on TV and hiding her past actions. 

In addition, the accuser posted up multiple personal pictures of Nam So Hyun and her friends to validate her argument (the person without a mark over face is identified as Nam So Hyun).

Meanwhile, these accusations against Nam So Hyun have not been confirmed and Nam So Hyun has yet to deny the rumors as well.