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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 heartbreaking love songs (21–30)

First Love Cinderella≒JOY

≒JOY (Nearly Equal Joy) / 2nd Single Title Track 'First Love Cinderella' [MV full]
First Love Cinderella≒JOY

If you’re looking for a classic idol song brimming with the flutter of a faint first love, this might be just the one.

With lyrics penned by Rino Sashihara, this sparkling number portrays the down-to-earth feelings of a protagonist in love.

Released as the second single in October 2024, it also made waves by topping major charts like Oricon.

With Reon Esumi at center, the words sung over an exhilarating sound are sure to turn every listener into the heroine of the story.

It’s perfect not only for hyping up karaoke sessions with friends, but also as a powerful ally when you need the courage to take a step forward in love.

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.

Tell me your phone number!≒JOY

≒JOY (Nearly Equal Joy) / 4th single title track “Tell Me Your Phone Number!” [MV full]
Tell me your phone number!≒JOY

≒JOY, an idol group that captures the fluttering thrill of first love as you think about your crush.

This track, the title song of their 4th single releasing in February 2026, is a number that sings of the impulse of unrequited love.

With classic J-POP sounds that sparkle with romantic feelings and a chorus that suddenly turns up the heat of love, it’s a song even those who don’t usually listen to idol music can get hooked on thanks to its catchy melody.

Kanoa Amano serves as center—listen to the lyrics that wish to bravely close the distance with the one she likes.

In the music video released in January 2026, the dance performed under a shower of numbers leaves a strong impression.

If there’s someone you’re interested in, listening to this will give you the courage to take a step forward.

I-I don’t like you!≠ME

≠ME (Not Equal Me) / 4th Single “Su, Suki Janai!” [MV full]
I-I don't like you!≠ME

A cute number that captures that sweet-and-sour feeling of love—liking someone but not being able to be honest about it.

It’s a song by ≠ME with lyrics by Rino Sashihara, released in August 2022 as their 4th single.

It’s also known as the opening theme for the TV anime “The Maid I Hired Recently Is Mysterious.” The lyrics, where the frustration of not being able to say “I like you” outright crosses with overflowing emotions, are enough to make your heart flutter just by listening.

The catchy melody and call-and-response over a fast-paced sound make it a guaranteed crowd-pleaser at live shows.

In its first week, it sold over 110,000 copies.

Give it a listen when you want the thrill of romantic push-and-pull or a boost of energy.

Bashful Short≠ME

≠ME (Not Equal Me) / 5th Single “Hanikami Short” [MV full]
Bashful Short≠ME

An exceptionally cute winter song packed with the sparkle of the season and the flutter of first love.

It’s a track by the idol group ≠ME, produced by Rino Sashihara, released as their 5th single in November 2022.

First, we should note the earnest story of changing one’s hairstyle for someone they like.

The lyrics capture the bashfulness of that makeover moment and the heart-pounding anticipation of waiting for their reaction.

It also drew major attention that Nanaka Tomita, who serves as center, actually chops her long hair into a short cut in the music video.

Try playing it as BGM on your way to a winter date, or when you want the courage to change.

The brilliance of this song will give you a gentle push forward.

Summer Chocolate≠ME

≠ME (Not Equal Me) / 4th Single c/w 'Summer Chocolate' [MV full]
Summer Chocolate≠ME

If you’re looking for an irresistibly sweet number packed with the thrills of summer, this is the one.

Sung by the duo of Hitomi Suzuki and Saya Tanizaki, this unit song has won fervent support from fans.

The lyrics portray a love that melts like chocolate, and the onomatopoeia-filled phrases are sure to set your heart racing just by listening.

It’s a coupling track included on Type B of the single “Su, Suki Janai!” released in August 2022.

The title track also drew attention as the theme song for the TV anime “The Maid I Recently Hired Is Mysterious.” This song is also featured on the 2024 album “Springtime In You,” making it an indispensable track for the group.

It’s perfect for when you want to feel cute or make that special someone turn their head.

Immerse yourself in the duo’s adorable voices!

Chocolate Melancholy≠ME

≠ME (Not Equal Me) / 3rd Single “Chocolate Melancholy” [MV full]
Chocolate Melancholy≠ME

The 3rd single by ≠ME, produced by Rino Sashihara.

Released in February 2022, this ambitious work presents a bitter, chic worldview.

The lyrics blend sweet chocolate with heavy possessiveness, growing more addictive the more you listen.

The intense choreography performed in nun outfits is another highlight—you’ll be overwhelmed by a performance where cuteness and unease coexist.

It became a turning point for the group, hitting No.

1 on Oricon and selling 58,000 copies in its first week.

It’s perfect when a merely sweet romance won’t satisfy you or when you want to immerse yourself in a provocative story.

Enjoy the contrast between the weighty sound and the delicate vocals—give it a listen on a night when you’re in the mood for drama.