Kdrama OST by Kpop Idols: Original soundtracks (OSTs) play a pivotal role in enriching the emotional depth of Kdramas. When actors bring their characters to life on screen, the music works behind the scenes to accentuate every smile, tear and moment of silence. The right OST can heighten the impact of a scene, making it unforgettable. Kdrama fans often find themselves hooked on these tracks long after the drama has ended and the excitement reaches new heights when these songs are performed by beloved Kpop idols.

From BTS V’s heartfelt contribution to Our Beloved Summer to SEVENTEEN BSS’s soul-stirring track for Queen of Tears, these Kpop idol OSTs have not only amplified the shows they’re part of but have also resonated with fans worldwide.

Let’s take a closer look at these iconic OSTs, their impact and the dramas they belong to.

BTS V's Christmas Tree (Our Beloved Summer)

Released in December 2021, Christmas Tree became an instant hit, perfectly complementing the tone of Our Beloved Summer. The Kdrama revolves around Choi Woong (played by Choi Woo Shik) and Kook Yeon Su (Kim Da Mi), two ex-lovers who are brought together again when a documentary they filmed during their high school days goes viral. V’s soft vocals in Christmas Tree added layers of tenderness to their complicated, yet heartwarming love story, enhancing the bittersweet nostalgia of their relationship.

As V is close friends with Choi Woo Shik, fans were especially thrilled by this collaboration. His soothing voice, combined with the delicate instrumentation, created a beautiful and memorable OST that perfectly matched the drama’s coming-of-age themes and romantic undertones.

SEVENTEEN BSS’ The Reasons Of My Smiles (Queen of Tears)

When Queen of Tears was released, the drama became a major topic of conversation. One of the standout features was the OST The Reasons Of My Smiles performed by SEVENTEEN's BSS unit, consisting of Seungkwan, DK and Hoshi. Released in early 2024, this song captured the emotional essence of the series.

Queen of Tears stars Kim Soo Hyun and Kim Ji Won, who portray Baek Hyun Woo and Hong Hae In, a couple enduring the ups and downs of life after their marriage. The story highlights the challenges they face while holding onto their love. SEVENTEEN BSS’s vibrant and emotional delivery brought to life the duo’s moments of sorrow, joyand triumph, making the OST an emotional powerhouse that stayed with fans long after each episode aired.

NewJeans' Our Night Is More Beautiful Than Your Day (My Demon)

NewJeans made their Kdrama OST debut with Our Night Is More Beautiful Than Your Day for the 2023 Kdrama My Demon. The track quickly gained popularity due to its sweet melody and the unique, ethereal vocals of the group. This OST perfectly suited the romantic moments between the lead pair. 

My Demon follows Do Do Hee (Kim Yoo Jung), a wealthy heiress and Jung Gu Won (Song Kang), a demon, as they form an unlikely alliance. The show blends romance, fantasy and suspense, and NewJeans' song captures the complexity of their growing relationship. The song's dreamy yet melancholic tones add to the mystery and emotional depth of the show, making it a fan favourite.

BTS Jimin’s With You (Our Blues)

Jimin’s collaboration with Ha Sung Woon for the song With You was one of the highlights of Our Blues, released in 2022. The show featured an ensemble cast including Lee Byung Hun, Shin Min Ah and Kim Woo Bin, and explored the lives of people living on Jeju Island. The drama weaves together multiple stories of love, friendship and reconciliation.

Jimin’s angelic voice lent a sense of warmth and intimacy to the OST, reflecting the emotional tone of the series. The track was featured during some of the most poignant scenes, particularly those involving Lee Dong Seok (Lee Byung Hun) and Min Seon Ah (Shin Min Ah), making it a staple for fans who connected deeply with the characters’ stories.

SEVENTEEN DK’s Go (Twenty-Five Twenty-One)

SEVENTEEN DK’s Go played a crucial role in amplifying the energy of Twenty-Five Twenty-One, which aired in early 2022. Starring Nam Joo Hyuk and Kim Tae Ri, the drama revolves around the dreams and struggles of a group of young people during the financial crisis of the late 1990s.

Kim Tae Ri portrays Na Hee Do, a passionate fencer determined to succeed, while Nam Joo Hyuk plays Baek Yi Jin, a young man grappling with the downfall of his family’s business. Go is a high-energy, inspiring anthem that embodies the hopeful, determined spirit of the characters. DK’s powerful vocals fuel the sense of perseverance that defines the series, especially during Na Hee Do’s fencing competitions.

EXO Chen’s Everytime (Descendants of the Sun)

One of the most iconic Kdrama OSTs to date, EXO Chen’s Everytime from the blockbuster series Descendants of the Sun is beloved by fans worldwide. Released in 2016, this song played during pivotal moments in the romance between Yoo Shi Jin (Song Joong Ki), a military captain and Kang Mo Yeon (Song Hye Kyo), a doctor. The very first moment Shi Jin and Mo Yeon lock eyes at the hospital, the song plays and takes the viewers into a dreamland. 

Descendants of the Sun tells the story of their love against the backdrop of war and medical crises. Chen’s smooth, emotive vocals, paired with the catchy melody, elevated the romantic tension between the leads, contributing to the show’s massive success. Everytime remains one of the most streamed Kdrama OSTs of all time, a testament to its enduring popularity.

These Kdrama OSTs by Kpop idols aren’t just songs—they're a testament to the unique synergy between music and drama. Whether it’s the tender melodies of BTS V, the soaring vocals of SEVENTEEN BSS, or the dreamy harmonies of NewJeans, these soundtracks will forever remain etched in the hearts of fans, perfectly capturing the emotions of the dramas they belong to.

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