On March 20, 2026, Shin Sung-rok updated his Instagram with new photos. In them, he appears in a sleek tuxedo alongside several fellow performers.
Shin wrote, "Swing Days #OpenConcert #JustWrapped #StayTuned," ramping up fans' excitement. The released photos show many cast members striking playful poses in glamorous outfits against a KBS backdrop.
Fans reacted passionately, commenting, "We get to watch the 'Swing Days' number on TV—I'm thrilled!" and "This team looks unbelievably beautiful."