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.
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- An upbeat song sung by an idol. A recommended track that will lift your spirits when you listen to it.
Ballad songs sung by idols: A collection of heart-touching masterpieces (51–60)
Sister Summer of the SeasideNEWS

A refreshing song by NEWS that makes you want to bask in the summer sun.
This track is sung from a male perspective, capturing admiration for an older woman he meets by the seaside and sparkling summer memories—it’s enough to make your heart flutter just by listening.
Released in July 2013 as their 17th single, it debuted at No.
1 on the Oricon Weekly Chart.
Frequently performed on music shows, it’s a beloved summer classic.
Put it on during a summer drive or at the beach to take the excitement to the next level!
MermaidSMAP

A song by SMAP featuring a dreamy, enchanting melody line.
The poignant lyrics evoke the feeling of listening to a tale of unrequited love with a mermaid as the protagonist, gently wrapping around the listener’s heart.
You can almost see the glittering surface of the water and hear the quiet sound of waves, and some may find that bittersweet summer memories suddenly resurface.
The track reached many ears as the theme song for the 2007 World Aquatics Championships in Melbourne, and it was first included on the album “super.modern.artistic.performance,” released in September 2008.
It’s the perfect piece for a night when you want to step away from the summer bustle and quietly lose yourself in thought.
Here we go! Phantom Thief GirlMomoiro Kurōbā Zetto

A conceptual work themed around phantom thieves, it unfolds a cute story about stealing fans’ hearts.
It’s a major-label debut packed with all the charms of Momoiro Clover Z.
Produced by Kenichi Maeyamada, the piece perfectly marries a world inspired by the animated film Lupin III: The Castle of Cagliostro with a bold musical structure that modulates from A minor to E-flat minor.
After its release in May 2010, it was featured as the opening theme for TBS’s Rank Kingdom, drawing significant attention.
The choreography includes the “Ebizori Jump” devised by Kanako Momota, which has become a highlight of their live performances.
It’s the perfect track for music fans seeking a high-energy idol song.
Love♡Scream!AiScReam

This song portrays the sweet confusion of falling in love and a straightforward devotion to the other person.
It’s a debut single released by Lantis in January 2025, sung by AiScReam, a limited-time unit consisting of three Love Live! characters: Ruby Kurosawa, Ayumu Uehara, and Shiki Wakana.
The lyrics are striking in how they use ice cream flavors as a metaphor while expressing the feeling that “you’re the most important of all.” The trio’s beautiful harmonies layered over a poppy, bouncy sound make your heart skip with joy as you listen.
more than anyoneBE:FIRST

A poignant longing wrapped in kindness strikes the heart in this ballad by BE:FIRST.
While yearning for closeness with a loved one, the vivid lyrics portray a man’s struggle to keep his distance because of mental illness, along with the feelings that remain unchanged.
The richly expressive vocals of all the members and the melody beautifully color the story’s world.
Included on the single “Spacecraft / Sailing,” released on February 5, 2025, the song was also selected as the theme for the film “Hold Me Tighter Than Anyone,” which premiered that February.
This piece invites deep reflection on the meaning of continuing to care for someone important and on human connection.
It is recommended for those wrestling with feelings for someone they love, or for anyone seeking a touching ballad that resonates with the heart.


