RAG MusicK-POP
Lovely K-pop

A poignant, heart-touching K-pop song. A bittersweet track that resonates with many different emotions.

There are many Korean songs and K-pop tracks that stay close to those bittersweet feelings.

Whether it’s a gently sung melody or a delivery rich with emotion, they draw you deeper into the world of the song.

There are also many ballads that truly tighten your chest and make your heart ache as you listen.

Not just “sadness,” but nostalgia, memories of days that won’t return, and a tender kind of poignancy—here are some ‘setsuna’ songs that capture a range of emotions.

Please listen while reflecting on your own circumstances.

Heartfelt, bittersweet K-POP songs: “Setsuna” tracks that resonate with various emotions (91–100)

Don’t be the love that goes byMonday Kiz

[MV] Monday Kiz(먼데이 키즈) _ Don’t be the love that goes by(스쳐가는 인연이 되지 마요)
Don't be the love that goes byMonday Kiz

Monday Kiz, a powerhouse Korean vocal unit, has released a gem of a ballad where sorrow and beauty harmonize.

Since their formation in 2005, they’ve been known for numerous classic albums like El Condor Pasa and Inside Story, and here they sing of the transience of love that has passed.

Lee Jin-sung’s clear, transparent vocals blend with elegant piano and string arrangements to create a deeply moving piece.

This song is recommended for those who wish to empathize with the end of a romance or lingering feelings, and for anyone seeking to soothe the emotions hidden deep in their heart.

Because I am StupidX-UNIT

X-UNIT “내 머리가 나빠서” Official MV
Because I am StupidX-UNIT

An R&B ballad that begins with a heartrending piano melody—truly a raw bundle of emotion.

It’s included on X-UNIT, a sub-unit of XODIAC, and their debut mini-album “To.

U,” released in June 2025.

The members’ expressive vocals portray searing regret and helplessness over a love lost due to their own immaturity, likely to bring many listeners to the verge of tears.

Why not immerse yourself in it on a sentimental night and listen closely?

Heartfelt, bittersweet K-pop songs. “Setsuna” songs that resonate with a variety of emotions (101–110)

AgainShin Ye-Youn

Singer Shin Yeyoung, known for her emotionally rich ballads, draws attention once again.

Released in May 2025, this song is a moving piece that sings of regret over a past romance and the hope of a reunion.

Its simple yet beautiful arrangement of piano and strings highlights her deep, expressive vocals.

Since her debut in November 2019, she has been active on numerous drama OSTs and has proven her talent with strong results on Korean charts.

This work feels like a gentle companion for moments of uncertainty in love or for quiet, solitary nights.

FINE (feat. 옌자민)OoOo

Onet, a rising star in South Korea’s R&B and indie scene, has been attracting attention.

Since her solo debut in 2020, she has continued to pursue a unique musical identity.

This track from the album “CITYMARE CITYZONE” is a sophisticated love song woven from mellow beats and delicate melodic lines.

Through her soulful vocals and a collaboration with rapper Yangjamin, it beautifully captures a sense of urban loneliness and sentimental romance.

The lingering feelings toward a former lover and the impulse to reach out again seep into the heart with a languid, ennui-tinged atmosphere.

Since its release in February 2022, it has captivated listeners with a worldview as beautiful and ephemeral as a city nightscape.

It’s a perfect song for those carrying the pain of heartbreak or for anyone who wants to immerse themselves in music on a quiet night.

A little bit moreJINHO (PENTAGON), Rothy

[MV] JINHO(진호) (PENTAGON(펜타곤)), Rothy(로시) _ A little bit more(조금만 더) (김비서가 왜 그럴까 OST Part.4)
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.

It’s You (Duet With IU)SUNG SI KYUNG (Son Shigyon)

It’s You (Duet With IU) (Bonus Track) (그대네요 (Duet With 아이유) (Bonus Track))
It's You (Duet With IU)SUNG SI KYUNG (Son Shigyon)

A gem of a duet by Sung Si-kyung, a leading figure in Korea’s ballad scene known for his delicate harmonies, and IU, renowned for her outstanding vocal prowess.

Released in 2010 as a bonus track on Sung Si-kyung’s album “The First,” this was the pair’s first collaboration.

The song portrays the bittersweet feelings of lovers reuniting after a long time, with their voices blending beautifully to leave a deep, lingering impression.

Nominated for Best Collaboration at the Mnet Asian Music Awards, it garnered significant acclaim.

If you enjoy duets, why not try singing it at karaoke?

Camellia시온(ONEUS)

시온(ONEUS) ‘누구나 말하는 사랑은 아니야 (Camellia)’ MV
Camellia시온(ONEUS)

A solo work by Xion, the youngest member of ONEUS, that weaves a sentimental world of bittersweet love.

His calm, low-register vocals melt into jazz-inspired melodies and a lo-fi R&B sound.

Like a portrait of grown-up romance, it conveys sweet yet bittersweet emotions.

Released in May 2025, the piece evokes subtle emotional fluctuations and deep empathy.

The soothing qualities of the lo-fi genre and his mature voice blend into a harmony that will comfort those hurting from heartbreak or struggling with unrequited love.