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A collection of timeless ballads sung by idols—songs that deeply touch the heart

When people think of idol songs, many might imagine bright, energetic tracks.

However, there are also many idol groups that sing beautiful ballads that truly touch the heart.

In this article, we’ll introduce a selection of wonderful ballad songs performed by idols.

We’ve chosen tracks that portray a variety of emotions and stories.

Be sure to read the lyrics as you listen, find your favorites, and take your time savoring their unique worlds.

Ballad songs sung by idols: A collection of moving masterpieces (21–30)

Too late caution=LOVE

=LOVE (Equal Love) / 3rd Single “Too Late Caution” [MV full]
Too late caution=LOVE

The title track of =LOVE’s 3rd single, depicting a forbidden romance set at an all-girls school.

Released in May 2018, it reached No.

3 on the Oricon Weekly Singles Chart.

Producer Rino Sashihara penned the lyrics, weaving tense, gripping words to portray a girl’s turmoil as she wavers between society’s “rightness” and an uncontrollable love.

Why not give it a listen when you’re harboring feelings you can’t tell anyone about?

Love letterHey! Say! JUMP

This is a ballad that captures the frustration of being unable to take that first step in love, alongside the pure feelings you hold for someone.

Its structure—passing the vocals along over delicate piano and strings—seems to carefully trace the subtle shifts of a wavering heart.

Many listeners will likely feel a tightening in their chest at the image of someone entrusting their overflowing feelings to a letter, lacking the courage to speak directly.

It’s the coupling track included on the standard edition of the single “encore,” released in May 2025.

While the title track drew attention as a TV drama theme, this song quietly won fans over as a hidden gem.

It’s a piece that stays close on nights when you want to keep thinking of someone in silence.

For anyone experiencing a one-sided love and finding it hard to be honest, this is a work you should definitely hear.

Ballad songs sung by idols: A collection of timeless, heart-touching masterpieces (31–40)

Confession Heart RateSKE48

SKE48 “Confession Heart Rate” Music Video / On sale 2024.10.2
Confession Heart RateSKE48

SKE48, based in Sakae at the heart of Nagoya, continue to captivate audiences with their energetic performances.

This work, the group’s 33rd single title track, is a fast-paced dance number that portrays the pounding heartbeat of a fateful first encounter.

Even before knowing anything about the other person, you’re drawn to them beyond reason… That uncontrollable feeling of falling in love is expressed through choreography inspired by a racing pulse.

Released in October 2024, the song shines with Haruka Kumazaki at its center—her long-awaited first time in the spotlight nearly 10 years after joining the group.

It’s the perfect track for anyone ready to take a step toward confessing their feelings.

Graduation of Unrequited LoveAKB48

Unrequited Love Graduation (Team K Ver.)
Graduation of Unrequited LoveAKB48

Let me introduce an AKB48 number that marks the passage of time at graduation and portrays an unspoken one-sided love.

Released in March 2007 as part of Team K’s 3rd Stage “Nounai Paradise,” it’s a song that has been passed down in theater performances.

You can laugh within your circle of friends, yet say nothing in front of the person you like as graduation day draws near.

Those bittersweet feelings are carefully spun over a gentle, mid-tempo melody.

Rather than flashy production, the arrangement treasures the afterglow of the words, quietly seeping into the listener’s heart.

This work captures a moment of youth swaying between the fear that love might end unfulfilled and the desire to express your feelings anyway.

It’s a number we recommend not only to those about to graduate, but also to anyone who wants to remember who they were back then.

Lost and Found at the Graduation CeremonySKE48

“Lost and Found at the Graduation Ceremony” Music Video / SKE48 White Team [MV full / HD]
Lost and Found at the Graduation CeremonySKE48

A graduation day, that special day, is something that slips by in the blink of an eye before you even notice.

This song, included as a coupling track to SKE48’s fifth single “Banzai Venus,” released in March 2011, delicately portrays the bittersweet emotions that well up at such turning points.

Set against scenes like a schoolyard with cherry blossoms dancing and the spring breeze, the lyrics touch the heart by using the metaphor of a “forgotten item” to express feelings that were close by yet went unnoticed.

With Jurina Matsui as center and the cross-team Shirogumi members singing, it becomes a universal piece that anyone can overlay with their own experiences.

It’s a song that those who know the hollow emptiness after a graduation ceremony will especially want to hear—one that accompanies your memories of spring.

Graduationsaitou yuki

Yuki Saito “Graduation” MV
Graduationsaitou yuki

Although it was released as her debut single in 1985, this classic by Yuki Saito is still loved as a staple of the graduation season.

Written by Takashi Matsumoto and composed by Kyohei Tsutsumi—the legendary duo—the song peaked at No.

6 on the Oricon Weekly Chart and sold about 264,000 copies.

It was also featured in a commercial for Myojo Foods, drawing significant attention at the time.

The lyrics portray a delicate inner conflict between the “expected tears of graduation” and the singer’s true feelings.

Rather than sweet ideals, it strikingly captures the real face of adolescence: moving on to the next season without fully sorting out one’s emotions.

The arrangement, weaving in melodica and saxophone, beautifully evokes the atmosphere of school.

It’s a perfect song for those who feel reluctant to show their tears, or who prefer to greet their departure quietly.

uniformMatsuda Seiko

Originally released in 1982 as the B-side to the eighth single “Akai Sweet Pea,” this song has long been cherished as one of Seiko Matsuda’s hidden masterpieces.

With lyrics by Takashi Matsumoto, music by Kureta Keiko (the pen name of Yumi Matsutoya), and arrangement by Masataka Matsutoya, it was created by a stellar team.

The lyrics portray the feelings of the protagonist walking beside the person they like amid a sea of umbrellas on graduation day, brimming with the bittersweet tension between the desire to confess and the urge to hold back.

It masterfully condenses the universal theme of the end of student days into just 3 minutes and 33 seconds.

Despite being a B-side, its quality is such that Seiko Matsuda herself said it was “as complete as an A-side.” In 1984, it was included on the compilation album Touch Me, Seiko, which collected coupling tracks and reached No.

1 on the Oricon weekly chart.

It’s a song I highly recommend to those setting out on a springtime journey or anyone nostalgic for their school days.