Singer and actress Kim Se-jeong rang in the new year by launching her global fan concert tour, 2026 KIM SEJEONG FAN CONCERT 〈The Tenth Letter〉, with back-to-back shows on January 10–11 at Yes24 Live Hall in Seoul.
The tour celebrates her decade-long journey in the industry, connecting her past and present with fans through music, stories, and memories.
The concert opened with a powerful rendition of Nikki Yanofsky’s “Something New”, a song that first showcased her talent on Produce 101, followed by Wonder Girls’ “Irony”, recalling her competition-stage roots.
Kim Sejeong greeted fans warmly, saying, “It’s 2026, and I’m celebrating my 10th debut anniversary. I sincerely thank everyone who came.” She then carried the emotional momentum through “Sailing” and “Send a Letter”, before performing tracks from her latest single album, “Solar System”, giving the audience a blend of nostalgia and present-day artistry.
A highlight of the Seoul concert was the surprise appearance of former gugudan member Nayoung, with whom Kim Sejeong shared candid memories while performing “A Girl Like Me” and “The Boots”. Their genuine camaraderie and playful exchanges created a touching moment that resonated with fans.
Kim Sejeong also stole the spotlight with her interactive approach, checking fans’ outfits, taking live questions, and playing memory games to reflect on her ten-year journey. Fans responded enthusiastically with lightstick waves and phone lights, matching her energy with unbridled excitement.
The latter half of the concert showcased her vocal prowess with performances of “Flower Road” and “When I Hear the Sound of Rain,” followed by a series of encore tracks that felt like a personal gift to her fans. She closed the Seoul shows with heartfelt words: “Those stages were so precious. I hope you go home thinking, ‘I will love Kim Se-jeong forever.’”
Kim Sejeong will now take her tour global, bringing 〈The Tenth Letter〉 to Taipei, Sydney, Manila, Hong Kong, Kuala Lumpur, and Yokohama, sharing her music, memories, and warmth with fans around the world.

