On March 21, 2026, Kim Sung-kyu updated Instagram with a new post. The photos capture behind-the-scenes moments from '2026 FIRST MUSIC STATION', where he delivered a passionate performance on stage.
In the shots, Kim Sung-kyu showcases a dynamic performance that captivated fans. His look — a white T-shirt layered with a black outfit accented by ribbon details — paired with his refined stage manners, unlocked a fresh layer of charm.
Fans reacted with heated praise in the comments, writing messages like "CAKEP" and "sayangnya aku" about his stage.