'Curtain Call' stars Kim Jae-young and Gong Seung-yeon strike harmony beyond screen

Curtain call, then a studio reunion

'Curtain Call,' the weekend series wrapped at the turn of September with momentum flowing straight into music, as the full OST compilation landed at 6 p.m. KST on September 2 across major platforms to extend the show's glow. The release frames the cast's return to the booth as a creative coda, suggesting that shared sessions became a bridge from set life to a second act in sound.

On-screen partners find a shared voice

Kim Jae-young and

Gong Seung-yeon

, whose pink-hued rapport anchored the narrative, cut the duet 'I'm fine' during broadcast-an early sign that their blended tone and unforced timing resonated beyond scripted scenes. The track's renewed spotlight in the compilation has fueled chatter that proximity in the studio nurtured a closeness viewers first sensed on air.

Buzz growing around the set

Around the filming site, staff and bystanders have been remarking that the pair's rapport felt unusually warm, prompting curious looks and playful murmurs about whether the two might be an item. The mood on location mirrored their gentle rhythm on camera, feeding speculation that creative partnership could have opened the door to something more personal.