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[Korean Drama OSTs] Classic Popular Songs That Color the Story: Best Masterpieces

A considerable amount of time has passed since Korean dramas first made their way to Japan.

Starting with the spread sparked by Winter Sonata in 2003, and further propelled by the K-POP boom, people have grown more familiar with K-Culture!

Nowadays, it seems to be loved by many people regardless of gender or generation.

Korean dramas, whose popularity keeps rising, produce countless masterpieces every year!

In this article, we’ve researched a wide range of OSTs—from relatively new tracks to popular classics and timeless favorites—covering theme songs and insert songs from Korean dramas.

We hope you’ll look back on fond memories and discover some wonderful OSTs.

[Korean Drama OST] Classic fan-favorite songs that color the story, Best Masterpieces (31–40)

아로하 (Aloha)조정석 (CHO JUNG SEOK)

[슬기로운 의사생활 OST Part 3] 조정석 (CHO JUNG SEOK) – 아로하 (Aloha) MV
아로하 (Aloha)조정석 (CHO JUNG SEOK)

This is the OST from Hospital Playlist, which became a huge hit along with the drama.

In 2020, the year when drama OSTs were especially popular, this song ranked third on the Melon year-end chart.

You’ll be drawn to its beautiful melody line, reminiscent of Anzen Chitai and connected to Japanese music.

It’s a love song with lyrics like “You are my everything,” conveying Korea’s uniquely direct expressions of love in a straightforward way.

Listening to this track will surely deepen your love for someone special.

It’s a wonderful masterpiece, both as an OST and as a timeless love song.

What's Wrong with Secretary Kim?

Because I only see youKim Na Young

[MV] Kim Na Young(김나영) _ Because I only see you(그대만 보여서) (김비서가 왜 그럴까 OST Part.5)
Because I only see youKim Na Young

The theme song of a smash-hit drama that aired in 2018.

Park Min-young from Glory Jane and Sungkyunkwan Scandal, and Park Seo-joon from Kill Me, Heal Me and She Was Pretty, star in the series.

It’s a romantic comedy about a beautiful female secretary and a narcissistic, handsome chaebol heir.

Kim Na-young’s mellow vocals romantically sing about where the two protagonists’ love is headed.

A Million Stars Fall From the Sky

별, 우리 (Star)서인국 (Seo Inguk), 정소민 (Jung So Min)

[하늘에서 내리는 일억개의 별 OST Part 2] 서인국 (Seo Inguk), 정소민 (Jung So Min) – 별, 우리 (Star) MV
별, 우리 (Star)서인국 (Seo Inguk), 정소민 (Jung So Min)

The arpeggios played on the classical guitar, with their gentle tone, feel as if they soothe loneliness.

It’s a ballad duet, and the way their feelings are sung in turn is deeply moving.

It’s the perfect song to listen to quietly on a cold winter night.

Like A DreamMINNIE

[선재 업고 튀어 OST Part 3] 민니 ((여자)아이들) (MINNIE) – 꿈결같아서 (Like A Dream) MV
Like A DreamMINNIE

A sentimental ballad that poignantly and beautifully captures dreamlike moments.

Minnie, the main vocalist of the girl group (G)I-DLE, weaves delicate vocals that vividly convey both the ache of lost love and the hope of reunion.

With the gentle yet powerful expressiveness unique to the Thai-born singer, she delivers emotion that resonates even if you don’t understand the words.

Released in May 2024 as part of the OST for the Korean drama “Lovely Runner,” this piece evokes the lingering memory of a former love with a dreamlike sensibility, stirring viewers’ emotions.

Wrapped in a calm melody and translucent vocals, it’s the perfect song for when you want to immerse yourself in memories of someone dear.

My ID is Gangnam Beauty

D-DayJunggigo

[MV] Junggigo(정기고) – D-Day (My ID is Gangnam Beauty Part.5)
D-DayJunggigo

A theme song for a 2018 TV drama based on a manga.

The popular boy group ASTRO’s Cha Eun-woo stars in the lead role.

The story begins when the heroine, who had always been bullied, gets plastic surgery as she starts university.

D-DAY is a track in the currently popular tropical house genre.

It sings about the main couple’s first date.

It brings back the fluttering excitement of going out with someone you like for the first time.

[Korean Drama OST] Classic popular songs that color the story: Best Masterpieces (41–50)

Heavenly Ever After (천국보다 아름다운)Lim Young Woong

[MV] 임영웅 – 천국보다 아름다운 | 천국보다 아름다운 OST | Heavenly Ever After OST
Heavenly Ever After (천국보다 아름다운)Lim Young Woong

A gem of a ballad crafted by Lim Young-woong, a trot singer who enjoys immense popularity in South Korea.

Released in April 2024 as part of the OST for the JTBC drama “You’re Beautiful Even in Heaven,” the song exquisitely blends trot and ballad styles, harmonizing warm, rich vocals with delicate expression.

It gently wraps feelings of parting from a loved one—and the hope of meeting again—in a soft, resonant embrace.

This track fully showcases the prowess of the artist who won overwhelming support on the 2020 program “Mr.

Trot.” In step with the drama’s storyline, it’s a heartwarming piece you’ll want to listen to while thinking of someone dear.

On Such a DayWINTER

[언젠가는 슬기로울 전공의생활 (Resident Playbook) OST Part 3] 윈터 (WINTER) – 그런 날 (On Such a Day) MV
On Such a DayWINTER

A ballad whose gentle healing permeates through a wistful melody.

Sung by Winter of the girl group aespa, this track was released in April 2025 as part of the OST for the drama “Someday Wise Resident Life.” The song portrays the struggles and growth of the drama’s young doctors, and Winter’s tender vocals embrace unbidden sadness and loneliness in a way that resonates deeply.

Her clear voice overflows with empathy and comfort.

It’s a song that will quietly stay by your side when you feel a sudden pang of loneliness or when your heart is tired.