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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 compilation of heart-touching masterpieces (81–90)

Love so sweetarashi

ARASHI – Love so sweet [Official Music Video]
Love so sweetarashi

Released by Arashi in February 2007, this song shone brilliantly as the theme for the drama “Boys Over Flowers 2 (Returns).” Its sacred melody, which beautifully depicts the belief in a bond between two people even when they’re apart—as if petals were dancing—teaches us one form of youth.

As the cityscape becomes dyed in spring colors, Arashi’s vocals will gently give you a supportive push forward.

Oh, early summer rainSakurazaka46

A poignant love song by Sakurazaka46 that portrays feelings of love through the motif of early-summer rain.

Released in April 2022 as their fourth single, it received a tremendous response, topping the Oricon Weekly Singles Chart.

Like rain that never stops, the swelling emotions are expressed through delicate vocals and choreography, gently embracing unspoken love and the struggles it brings.

It is a warm track that waits for the arrival of spring, resonating with those in the midst of unrequited love or unable to convey their feelings.

I’M YOUR IDOLtakane no nadeshiko

[MV] I'M YOUR IDOL / Takane no Nadeshiko [HoneyWorks]
I'M YOUR IDOLtakane no nadeshiko

This song powerfully portrays the bond between idols and their fans.

Released digitally in November 2024 as Takane no Nadeshiko’s second single, it features a poppy, catchy sound and lyrics that passionately express an idol’s pride and responsibility.

With a strong message directed at fans, it conveys the joy of walking together and feelings of gratitude.

It’s a must-listen not only for idol enthusiasts but also for anyone looking for a boost of energy.

Specially, do it.=LOVE

=LOVE (Equal Love) / 18th Single “Tokubechu, Shite” [MV full]
Specially, do it.=LOVE

A sweet, bittersweet love song has arrived from =LOVE.

It’s infused with a passion so strong it can’t be captured by a simple “like” or “I love you,” filled with a girl’s possessiveness and pure feelings.

The melody is a pop tune brimming with cuteness, blending adorable charm and earnest emotion in perfect balance.

Set for release as their 18th single on February 26, 2025, the song features lyrics by Rino Sashihara and Maika Sasaki as center.

The music video has already sparked a major reaction, surpassing 5 million views just nine days after its February 2 premiere.

Highly recommended for those who want to empathize with a lovestruck girl’s feelings or revel in the sweet-and-sour memories of young love.

I only know the last note.=LOVE

=LOVE (Equal Love) / 15th Single 'Only Know the Last Note' [MV full]
I only know the last note.=LOVE

=LOVE is a voice-actor unit formed in 2017 as the first group produced by Rino Sashihara.

Their 15th single, “I Only Know the Last Note,” also drew attention for featuring the youngest member, Kiara Saito, as center.

The lyrics portray unrequited love for someone who already has a special person, and those with similar experiences may find their memories overlapping.

With its transparent ensemble and wistful melody that lingers in the ear, it’s a sentimental number.