The idol singer revealed, "I am 18 years old now and had been a trainee for 9 years, which is half of my current lifetime," shocking the viewers.

When asked if she "really wanted to pursue a singing career," Si Yeon commented, "When I was little, I wanted to become a singer so much that I sang Jang Yoon Jung's 'Oh My!' everywhere I went," demonstrating her passion for singing.

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