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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 (71–80)

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.

Love♡Scream!AiScReam

AiScReam “Love♡Scream!” Official Lyric Video
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.

a tease; someone who leads others on≠ME

≠ME (Not Equal Me) / 7th Single “Flirtatious Tease” [MV full]
a tease; someone who leads others on≠ME

A song that shines with the sweet, heart-fluttering emotional expressions infused by Rino Sashihara, delicately portraying the feelings of a girl in love.

Cleverly sprinkled with cute onomatopoeia, it’s packed with a woman’s complex emotions—from intense feelings for the other person and assertiveness to, at times, forceful displays of affection.

Released in September 2023 as the seventh single, it features Hitomi Suzuki as center for the first time.

The music video, directed by Seito Nakajima, captivates with a love story set in a fairy-tale world.

It’s a track you can enjoy even more at karaoke by delivering the spoken lines with feeling.

Love, I’m checkmated.AKB48

Love Is Checkmated Music Video / AKB48 64th Single [Official]
Love, I'm checkmated.AKB48

AKB48, a female idol group born in 2005 and based in Akihabara, introduced the innovative format of “theater performances” to Japan’s music scene.

Centered on J-pop and idol pop, they also showcase a wide musical range, including rock and ballads.

They have released a steady stream of singles and albums, setting numerous records on the Oricon charts.

The group has appeared on NHK’s Kōhaku Uta Gassen and has won many music awards, including the Japan Record Awards.

Produced by Yasushi Akimoto, they launched the groundbreaking “General Election,” in which fans vote.

Without ever disbanding, the group continues to deliver a fresh appeal by repeatedly welcoming new members and graduating others.

AKB48, which brought a fresh breeze to idol culture, is recommended for those who enjoy lively, upbeat songs and dances.

First Love RendezvousAnimal☆Collection

[1st single] “First Love Rendezvous” MV
First Love RendezvousAnimal☆Collection

A new single has arrived from Animal☆Collection, an idol group themed around pets and brimming with love for adorable animals.

It’s a sweet-and-sour love song that compares the feelings of first love—meeting someone who gazes at you with gentle eyes, the moment your heart starts pounding, and the irresistible curiosity that follows—to the courtship behaviors of animals.

Since its release in July 2024, the group has held live events across Tokyo, including at Tower Records Shibuya, captivating audiences with their cute dance performances.

This track is recommended not only for dog lovers, but also for anyone who wants to relive the bittersweet memories of first love or simply warm their heart with a gentle, comforting feeling.

Colorful DaysAee! group

Aぇ! group “Colorful Days” Official Music Video – Streaming Ver. –
Colorful Days Aぇ! group

Aぇ! group delivers a sweet, pop-tinged love song filled with the familiar sparkle of romance—like the butterflies before meeting up for a date or the shy moment of giving a gift.

Set to a breezy rhythm, its message of courtship will resonate with anyone harboring sweet-and-sour feelings of love.

Featured on the album “D.N.A,” releasing in February 2025, and chosen as the CM song for the nationwide sweets delivery service CAKE LINK, this track is perfect for those who want to share that heart-pounding moment of love with someone special.