The single album features two distinct tracks that highlight YooJung’s vocal range and the group's signature sound:
The project focuses on the "hidden" or "underground" feelings of idols who typically shine in the spotlight.
: YooJung was chosen as the first member to represent this introspective narrative. YooJung (OnlyOneOf) UndergrOund IdOl #1 zip
: The title track is a synth-pop song that explores themes of freedom from prejudice and the courage to start anew.
Released on , undergrOund idOl #1 marks the debut of YooJung (OnlyOneOf) as a soloist. It serves as the opening chapter of the "undergrOund idOl" project, a series designed to showcase the individual colors and inner reflections of each OnlyOneOf member. 💿 The Solo Concept The single album features two distinct tracks that
: The project was overseen by Jaden Jung , known for his work with LOONA, which is reflected in the album's art-pop aesthetic.
: A reimagining of OnlyOneOf's group track "picassO," tailored to fit the solo project's specific vibe. Released on , undergrOund idOl #1 marks the
: YooJung adopted a striking blonde look, signifying a major transformation from his debut era. 🎶 Tracklist