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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 (1–10)

Love hurt.≒JOY

≒JOY (Nearly Equal Joy) / 4th Single c/w 'Love Hurt' [MV full]
Love hurt.≒JOY

It’s a love song filled with a heart-wrenching sense of longing.

“Love Hurt,” with lyrics by Rino Sashihara, delicately portrays the shock of discovering love and the confusion of feeling something inside yourself begin to change.

Included on the single “Tell Me Your Phone Number!” released in February 2026, the track features Aoi Onishi as center, and her clear, translucent vocals deeply express the song’s worldview.

The music video, featuring an angel descending into a city of skyscrapers, also became a hot topic.

Bright love songs are great, but this is the kind of piece you want to hear on nights when you want to immerse yourself in feelings so strong they make your heart ache.

It’s a beautiful yet fragile masterpiece that offers comfort to those who fear they’re the only ones changing, and to anyone who keeps loving someone with unwavering sincerity.

Etcetera, love youCANDY TUNE

[MV] CANDY TUNE “Etcetera LOVE YOU”
Etcetera, love youCANDY TUNE

An idol pop song that captures the frustrating feelings of being in love—feelings that a simple “I like you” could never fully express.

The lyrics, bursting with a heartfelt desire to know the other person’s true feelings, are irresistibly cute! Its sparkling, classic sound and the sense of unity that lets everyone raise their voices together are big parts of the song’s appeal.

This track was included on the single “Kiss Me Pâtissier,” released in August 2024, and was crafted by a team of writers including Suu and Naoki Kubo.

After its live debut in April 2024, the song was carefully nurtured, and a video version was later released to great acclaim.

It’s a must-listen for anyone struggling to understand their crush’s feelings, or for those who want to shout their hearts out at a live show and leave with a smile!

YAKIMOCHISWEET STEADY

【MV】SWEET STEADY「YAKIMOCHI」
YAKIMOCHISWEET STEADY

Have you ever, in the midst of romance, suddenly felt that frustrating restlessness or the urge to keep someone all to yourself? This pop tune captures that raw, real feeling of love where emotions outrun logic the moment you’re in front of the one you like.

Its bouncy rhythm and delicate melody intertwine to vividly express the flutter in your chest alongside a touch of anxiety—the sway of mixed emotions.

The track was included as one of the title songs on SWEET STEADY’s second single, released in August 2025.

It led the summer of that year and drew out the group’s rich expressive power.

This is the song to choose when you want your inner turmoil to be gently validated.

Packed with both cuteness and poignancy, it’s a piece you’ll want as a talisman for anyone wrestling with love.

Ballad songs sung by idols: A collection of timeless, heart-touching masterpieces (11–20)

B-b-but.≒JOY

≒JOY (Nearly Equal Joy) / 2nd Single c/w 'Dadada, Datte.' [MV full]
B-b-but.≒JOY

From the peppy rhythm of the intro, this song instantly sweeps you into a bittersweet world of youth.

Included as the B-side of the single “First Love Cinderella,” released in October 2024, it became a hot topic as the group’s first unit track.

Sung by Ayumi Ichihara, Mizuki Oshida, and Yuka Murayama, this love song uses onomatopoeia-like phrases to express the fluster of a love that leaves you lost for words, making your heart skip a beat every time you listen.

The down-to-earth lyrics penned by Rino Sashihara are deeply relatable, and the music video’s must-see storyline cheers on its clumsy protagonist.

This work is an anthem that gives you courage when you feel timid about love.

Why not listen to it when you want to confess your feelings to someone you like, or when you need a little push forward?

I’m in love right now.≒JOY

≒JOY (Nearly Equal Joy) / “I’m in Love Now” [MV full] Vertical video
I’m in love right now.≒JOY

A bittersweet summer love song told from a male perspective about unrequited feelings.

It captures a rush that makes you want to take off on a bicycle, along with the frustrating distance of watching someone from afar, striking a chord with its purehearted romance.

With lyrics by Rino Sashihara, it was released in August 2025 as part of a “Summer Special Song” project.

The vertically shot school-set music video also drew attention, with its story-driven visuals vividly enhancing the song’s world.

While wishing happiness for the dazzling person they love, the singer laments the ache of not being able to be part of that story.

It’s a must-listen for anyone holding feelings they can’t convey right now, or for those who want to savor the sweet-and-sour taste of love.

Many listeners are sure to relate.

As the gods say!≠ME

≠ME (Not Equal Me) / 10th Single “As the Gods Say!” [Full MV] / “As the Gods Say”
As the gods say!≠ME

≠ME is an idol group produced by Rino Sashihara.

This track is one of the double A-side songs released as their 10th single in April 2025.

Nanaka Tomita serves as the center, and it’s a fast-paced pop tune packed with the urgency and exhilaration of a girl in love.

It was also selected as the ending theme for the second cour of the TV anime “Amahara-sanchi no Enmusubi,” adding a flourish to the lingering emotions of the story.

The assertive lyrics that push the other person to make a decision, paired with the bursting, energetic sound, are enough to set your heart racing just by listening.

When you’re wavering in the push-and-pull of love or want to muster the courage to make your move, this song is sure to give you a supportive nudge.

Blue Hawaii Lemon≒JOY

≒JOY (Nearly Equal Joy) / 3rd Single Title Track “Blue Hawaii Lemon” [MV full]
Blue Hawaii Lemon≒JOY

A refreshingly exhilarating summer tune themed around a fleeting summer escape.

The lyrics liken the feeling of being in love to shaved ice—cold yet sweet—evoking bittersweet, vibrant scenes of youth.

With Reon Esumi at center, the transparent vocals fuse with a driving sound to whisk listeners away to a distant seaside.

Released as the 3rd single in June 2025, this song—penned by Rino Sashihara—became a hit that symbolizes the group’s momentum, peaking at No.

2 on the Oricon Weekly Chart.

Amid classic pop stylings, it also conveys a fragility that melts away like summer in an instant.

Perfect for amping up summer outings like drives or beach trips, and a great listen when you want to forget the everyday and feel refreshed.