Singer-actress Kim Sejeong has revealed her first concept photos for her upcoming single Solar System, heightening anticipation ahead of her long-awaited comeback.
Atelier Version Concept Photos Released
On December 11, Jellyfish Entertainment released the first concept photo set, titled “Atelier”, for Kim Sejeong’s first single album Solar System. As the name suggests, the images are set in a studio-inspired space, delivering an exotic and refined atmosphere that aligns with the single’s aesthetic direction.
The photos show Kim Sejeong holding a teacup in an elegant pose and sitting at a desk with a poised expression, capturing a calm yet sophisticated charm.

Classic Black-and-White Styling
Dressed in a black-and-white ensemble reminiscent of classic Hollywood icons such as Audrey Hepburn, Kim Sejeong presents a timeless visual identity. The restrained elegance, combined with the set’s unique ambience, enhances the thematic beauty of Solar System.
A Reinterpretation of Sung Si-kyung’s 2011 Hit
The upcoming single is a reinterpretation of Sung Si-kyung’s 2011 original track Solar System. While preserving the emotional depth of the original, Kim Sejeong is expected to deliver a fresh narrative through her own vocal color and musical sensibility.

Active Career Across Music and Drama
Kim Sejeong is currently starring in MBC’s Friday–Saturday drama “The Moon Flows Over Igange”, where she plays three roles—Park Dali, Crown Princess Kang Yeon-wol, and Dali, whose soul becomes entangled with the crown prince. Her multifaceted performance has drawn positive attention for its range and intensity.
She is also preparing for a global fan-concert tour to mark her 10th anniversary, beginning in Seoul in January 2026 and expanding to eight cities worldwide.
Release Information
Kim Sejeong’s new single Solar System—her first music release in two years and three months—will be officially released on December 17 at 6 PM.

