The voice lingering beyond the spy plot: Lee So-ra's 'You' OST

A spy drama asks who is hiding the truth. A ballad can make another question louder: who is hiding their feelings? Lee So-ra sings 'You,' the second soundtrack release for 100 Days of Deception. Rather than inventing video details we could not view, we start with the verified release and the provenance of audience responses.

Stone Music released Lee So-ra's 'You' at noon on October 26, 2026. Set in colonial-era Gyeongseong, 100 Days of Deception is a spy romance. The soundtrack was described as a restrained piano-and-cello ballad. Its MV appears on Stone Music's official YouTube account and was listed on a Korean trending-video chart on October 29.

A third-party Korean YouTube chart placed the MV at No. 42 on October 29, showing roughly 156,000 views and 305 comments in that snapshot. These are not independently confirmed live YouTube figures. The editorial hook is how an OST can voice uneasy feelings without simply retelling the story.

The reactions have different timestamps. An October 23 JoyNews24 article reported that preview listeners felt Lee So-ra's voice itself carried the characters' sorrow and anticipated becoming emotional from the opening line. Those are reactions described by the publication before release, not comments we independently read under the new MV. A chart shows hundreds of later comments, but their text was inaccessible; no new approval ratio or fabricated quotes are asserted.

The drama foregrounds interpretation, undercover work and secrets. The song uses just a few elements—piano, cello and voice—to focus on relationships. That can give viewers who follow the espionage plot and those who remember its emotional arc different ways into the same story.

'You' was released October 26, 2026 as 100 Days of Deception OST Part 2. The official Stone Music MV is https://www.youtube.com/watch?v=ADPX3xuYE28; its uploader and title were cross-checked against a Korean trending chart dated October 29. Pre-release praise comes from October 23 reporting, not independently read YouTube comments or direct playback.

Next, watch where the song recurs in the drama and how viewers relate it to particular scenes. The evidence here stops at reported preview listening and post-release video interest.