[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.
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- [2000–2009] A roundup of theme songs from popular dramas!
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[Korean Drama OST] Classic Popular Songs That Color the Story: Best Masterpieces (21–30)
Moonlight Drawn by CloudsGUMMY
It’s a quintessential ballad.
In the chorus, the woman’s beautiful high register carries on, and the delicate dynamics unique to a female voice—along with the subtle tremble—are gorgeous, heightening the drama’s tension.
The vocals themselves feel heartrending, and the lyrics are also poignant, making it a song you’ll want to listen to slowly.
When the Day ComesTOMORROW X TOGETHER
A delicate song woven with the warm resonance of acoustic guitar, brimming with the bittersweetness and hope of youth.
TOMORROW X TOGETHER joins the OST for tvN’s drama “Someday, a Wise Resident Life.” Members Soobin and Yeonjun make cameo appearances in the series, adding sparkle to the much-talked-about scene where they perform as the fictional idol group “HI-BOYZ.” Since its release in May 2025, the song’s candid portrayal of pure young love and the members’ refreshing vocals have continued to captivate both drama fans and K-pop listeners.
A gem of a track, highly recommended for anyone seeking a fresh, pure love song.
A little bit moreJINHO (PENTAGON), Rothy
This magnificent ballad, elegantly woven with piano and strings, was released in June 2018 as part of the OST for the drama “What’s Wrong with Secretary Kim.” Jinho, the main vocalist of PENTAGON, delivers powerful high notes that blend beautifully with solo singer Rothy’s crystalline voice, delicately portraying the subtle emotions of two people newly in love.
The song was used in some of the drama’s most memorable scenes, gently narrating the protagonists’ inner feelings and resonating with many viewers.
It’s perfect not only for those harboring bittersweet feelings of love, but also as background music for cherished moments with someone special.
Remember meGUMMY(거미)
In 2019, a major hit in South Korea was Hotel Del Luna, starring Lee Ji-eun—known as the nation’s little sister, IU—and Yeo Jin-goo.
Its OST was luxurious across the board and became a hot topic.
One of the songs features Komi singing about a heartrending love.
Her mid-range, husky voice makes the poignant lyrics even more dramatic.
Feelings that don’t reach the other person are truly frustrating and painful, aren’t they?
Even if I die, it’s you.JIN,V
This is a song by JIN, the oldest member of BTS, who are hugely popular in Korea right now, and V, who appeared in the drama where this song is the ending theme.
The song has a great tempo, and their cool voices match the drama perfectly.
It’s a track that really highlights how well the two sing, even though they usually perform as part of a large group.
영화 같던 날 (The Day We Met)CHEEZE(치즈)
When I listen with concentration, I can’t help but be drawn into a mysterious sensation.
In the A section, amid a bed of indistinct sounds, there are unexpected combinations like a piano briskly marking staccato.
In the chorus, suddenly emerging strings appear, and the unpredictable arrangement pulls the listener in even deeper.
Love, MaybeMeloMance
The romantic comedy drama Business Proposal, starring Ahn Hyo-seop and Kim Sejeong, who is also active as an artist, featured a self-cover by MeloMance of a song they originally provided to SECRET NUMBER, which they performed in the show.
The track became a huge hit and enjoyed a long run.
It’s a top-tier love song showcasing their highly acclaimed songwriting skills.
The relaxed vibe of the song is also adorably charming.
Packed with the fluttery excitement of love, this track is irresistibly romantic—paired with the drama, it’s guaranteed to make your heart skip a beat.
