HAN's New OST Drops as Yumi's Cells 3 Claims Tving No. 1

Stray Kids member HAN has released the music video for "Let It Show," the third OST track for the hit Tving and tvN drama Yumi's Cells Season 3. The MV dropped on April 21 via Stone Music Entertainment's official YouTube channel, arriving at a pivotal moment in the drama as its central love story shifts into full bloom — and as the show claims the No. 1 spot on Tving's weekly paid subscriber growth charts.

For fans already emotionally invested in the slow-burn romance between Yumi (played by Kim Go-eun) and 신순록 Sika Deer (played by Kim Jaewon), "Let It Show" hits with uncanny timing. The song's themes of hidden feelings gradually surfacing mirror the drama's most significant development yet: 순록 finally asking Yumi to watch a movie together — a moment fans had been quietly hoping for since the season premiere.

A Song Designed Around a Character's Transformation

"Let It Show" is a medium-tempo synth-pop track that metaphorically captures the internal journey of 순록 — a character who keeps his emotional life tightly locked away — as he slowly begins to open up around Yumi. Where many K-drama OSTs reach for sweeping orchestral arrangements, this track opts for restraint: a breezy, contemporary feel that suits the drama's tone rather than overshadowing it.

The production was handled by FLUM3N, who wrote the lyrics and co-composed the track alongside IRIS from the respected MonoTree production house, HeavenW, and MINN. Additional chorus vocals come from 우성준, with live guitar by 안병룡 and drums by MINN. The result is a polished, radio-ready track that maintains the kind of interior emotional quality the story demands — light on the surface, layered beneath.

HAN's vocal performance walks a deliberate fine line. Known within Stray Kids as one of the group's most candid, introspective songwriters, he brings that same openness to "Let It Show" without tipping into dramatic excess. The delivery feels genuinely contained — which is exactly the point. This is a song about a character choosing to let feelings surface rather than suppress them, and HAN captures that tension throughout.

Why This OST Arrives at the Right Moment

Yumi's Cells 3 is the third chapter in a franchise that has cultivated one of Korean streaming's most loyal fanbases. Adapted from a popular webtoon, the series takes place partly inside the emotional "cell village" of protagonist Yumi, where feelings like love, reason, and hunger manifest as tiny characters who guide her life decisions. This storytelling device gives the franchise a visual language unlike anything else on Korean television — and a particular gift for externalizing the feelings people find hardest to speak aloud.

This season introduces 신순록 as Yumi's new love interest: a man of remarkably few words who presents as cold and distant in public but is revealed at home to be a completely different, warmer person. Kim Jaewon's performance has drawn wide praise, with many viewers describing his portrayal as the webtoon character stepping quite literally off the page.

Episodes 3 and 4, which aired on April 20, marked the drama's first real romantic turning point. Yumi had mistakenly believed 순록 wanted to transfer off her team because he disliked her. A missed train, an honest explanation, and a moment of unexpected understanding dissolved that misunderstanding entirely. Something new began to take its place in the episodes that followed.

By the close of Episode 4, 순록 had taken a small but momentous step: he asked Yumi whether she would like to see a movie together. For a character who had previously insisted he prefers watching films alone, it was a gesture that landed loudly in quiet. "Let It Show" is exactly the song that moment deserves, and fans are already playing it on repeat.

HAN as OST Artist: From Group Cornerstone to Solo Voice

HAN, whose full name is Han Jisung (한지성), has been a creative cornerstone of Stray Kids since the group's formation through JYP Entertainment's 2017 survival program. He co-writes for the group regularly and has released solo material that ventures into territory more emotionally raw than typical K-pop production typically allows.

That solo sensibility is part of what makes him a fitting OST choice. Where some idol-adjacent OST contributions can feel like stylistic stretches, "Let It Show" sounds like a natural home for HAN. The synth-pop format, the introspective lyricism, the controlled restraint: these qualities are already embedded in his creative identity. Serving the drama here, he doesn't lose himself in the process.

OST work carries specific demands that differ from album production. The artist isn't performing for themselves — they're performing for a character, a scene, a feeling the drama has already established. HAN's willingness to sit inside 순록's emotional experience rather than impose his own presence on it is evident in every choice the track makes. It's a quieter kind of craft than his solo work usually showcases, and it works precisely because of that restraint.

Drama Numbers and What's Next

Yumi's Cells 3 has delivered strong numbers since launch. For the week of April 13 to 19, the drama ranked No. 1 in Tving's weekly paid subscriber contribution — the metric measuring how many new paying subscribers a title generates for the platform. Landing at the top of that list in a debut week is a meaningful result, particularly for a sequel season where returning audiences are expected but expansion is never guaranteed.

Episode 3 also achieved No. 1 among cable and general programming channels in its time slot, based on Nielsen Korea paid platform data for both national and metropolitan audiences. These numbers confirm that Yumi's Cells 3 isn't simply coasting on predecessor goodwill — it's actively building a viewership.

In that context, releasing a well-matched OST at this particular point in the drama's run is a deliberate move. K-drama soundtracks have a long history of functioning as emotional extensions of the stories they accompany — tracks recalled years later for the feelings they once carried. If early fan response to "Let It Show" is any indication, this one has the reach to outlast the season that inspired it.

New episodes of Yumi's Cells 3 arrive on Tving every Monday at 6pm KST, with tvN broadcast on Mondays and Tuesdays at 8:50pm. Episodes 5 and 6 drop on April 27. "Let It Show" is available now on major streaming platforms.