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A breakup song sung by an idol. A collection of bittersweet love songs.

Among the songs sung by idols, there are so many love songs, aren’t there?

In this article, we’ll focus on breakup songs among those many love songs.

Even when we say “breakup songs,” the stories behind them vary: songs about breaking up after dating, songs about confessing and being rejected, songs about unrequited love that ended before the feelings could be conveyed, and so on.

So as you listen to the songs we’re about to introduce, be sure to read the lyrics as well, and take your time to savor the stories and bittersweet emotions woven into each one.

Breakup songs sung by idols. A collection of bittersweet love songs (1–10)

I’m totally in love ♡NEW!CANDY TUNE

Here’s a pop, high-energy number that captures the rush of falling in love.

Blending a heavy rock sound with a cute world that expresses affection straight from the heart, this track lets you fully savor CANDY TUNE’s charm.

With lyrics by Suu and music by NAOKI KUBO, it sparks overwhelming excitement at live shows.

Included on the album “Baibai FIGHT!” released in October 2025, it later served as the opening theme for a TV program.

The music video, which portrays a game world set in a land of sweets, also became a hot topic.

It’s an upbeat tune perfect for those who want to go wild at concerts or soak up some positive energy.

YAKIMOCHINEW!SWEET STEADY

【MV】SWEET STEADY「YAKIMOCHI」
YAKIMOCHINEW!SWEET 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.

Call me, Tell meNEW!SWEET STEADY

[2nd Single CD Release Commemoration] SWEET STEADY “Call me, Tell me” Special Video ver.
Call me, Tell meNEW!SWEET STEADY

A SWEET STEADY track that poppily captures an overflowing crush trying to connect with the one they like over the phone.

Its breezy hyper-Y2K sound, evoking 2000s culture, and a world full of wordplay that recalls communication and radio waves really grab your heart, don’t they? Released in May 2024, the song was written and composed by Hiroaki Suzuki.

It’s also become one of the group’s signature numbers, with a newly recorded version included on the single “YAKIMOCHI / Good Job!” set for release in August 2025.

Can’t you feel the flutter of romance just by listening? It’s a perfect pop tune for lifting your mood or shouting along at a live show.

Breakup songs sung by idols. A collection of heartbreaking love songs (11–20)

Etcetera, love youNEW!CANDY TUNE

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

Just kidding!NEW!SWEET STEADY

[MV] SWEET STEADY “Just Kidding!”
Just kidding!NEW!SWEET STEADY

I can’t stop thinking about the person I like.

This SWEET STEADY track captures a love that can’t quite be expressed honestly, set to a brisk, poppy sound.

The frustration of not being able to put it into words and the bashful emotions overlap with the sweet melody and bouncy rhythm, making your heart race just by listening.

The song was released in April 2024 and was later included on the classic “Pajama Party! / Diamond Days” in December of the same year.

At their one-man show in June, there was a production where silver streamers fluttered at the moment everyone jumped near the end, captivating the fans.

This piece has grown alongside the energy of the live scene.

If you can’t quite convey your feelings to the one you like and need a little push, why not give it a listen?

Mobnoderella≠ME

≠ME (Not Equal Me) / 10th Single “Mob-no-derella” [MV full] / “Mob-no-derella”
Mobnoderella≠ME

A dramatic track with lyrics by Rino Sashihara and composition by Sota Sekiguchi and Katsuhiko Sugiyama.

Released in April 2025 as ≠ME’s 10th single, it’s the group’s first double A-side and topped the Oricon weekly chart.

A bittersweet yet beautiful medium-tempo ballad that captures the feelings of the “many others” who can’t be the protagonists of a fairy tale.

Center Nanaka Tomita’s expressively rich vocals convey the aching emotions straight to the listener.

A worldview that spotlights the stories outside the limelight—pure Sashihara at her finest.

When your heart aches from unrequited love, this song will quietly stay by your side.

My ex-darlingkyururin tte shite mite

Kyururin tte Shitemite, a four-member idol group pursuing “Kawaii Realism.” “My ex.

Darling,” included on their 4th EP “Kyururin Wonderland” released in April 2025, is a song themed around a finished romance.

As the title suggests, it bids farewell to a former lover, but there’s nothing gloomy about it; instead, it cutely and poppily transforms complaints about the other person.

The realistic word choices by lyricist nobara kaede and the catchy sound by Akihiko Nakamura fuse together to make you feel positive just by listening.

The song was performed at their TOKYO DOME CITY HALL show in June 2025, where it brought the house down.

If you want to turn heartbreak into a cute makeover, this track will surely be your strong ally.