On the May 4 KST broadcast of MBC's 'Radio Star', (G)I-DLE's Soyeon made a guest appearance and talked about competing on 'Unpretty Rapstar 3', composing the title track "Tomboy" for (G)I-DLE's album 'I Never Die', and more. In particular, Soyeon drew laughter when she revealed a time when her agency CEO suddenly told her to rap freestyle, dissing the director whom many of the trainees feared. Soyeon, who was a trainee at that time and aware that her freestyle performance would impact her chance to compete on 'Unpretty Rapstar 3', did not back down and rapped to the director, "We always smile in front of you, but you are always at the center of our gossip". Upon hearing this, many of the guests and MCs burst into laughter, impressed with Soyeon's confidence.
Soyeon then revealed that she had had written lyrics dissing the MCs of 'Radio Star', and showed her performance. Upon hearing Soyeon's witty and powerful rap lyrics, all the guests and MCs gave her a round of applause.
Watch Soyeon's diss rap performance above!