[Cheating Song] A forbidden love that crossed the line — infidelity song

cocoaaiko

aiko / Cocoa (cover)

Speaking of aiko, she sings about the delicate feelings of women with striking realism and is like a goddess of love songs.

She has many male fans as well as female fans.

While many of her signature tracks are cute love songs or heartrending ballads, the song “Cocoa” feels like a snapshot of the “now” between a man and a woman who seem on the verge of crossing a line.

Surely both of them are aware of each other’s feelings, yet they’re rational enough that nothing has progressed up to this point.

You can sense the tension of that momentous act of “crossing the line,” the turmoil of a pained heart, and the push and pull of guilt.

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utatane

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Don’t Stop LoveKōda Kumi

Koda Kumi — “Don’t Stop Love” ~ 20th Year Special Full Ver. ~

A medium-tempo ballad by Kumi Koda portraying the forbidden love of an affair.

It beautifully expresses the conflict and sorrow of a man and woman who, despite their pure affection, live a love that cannot be allowed.

Released in September 2011, the song drew attention as the theme for the film “Second Virgin” and was also performed at that year’s NHK Kōhaku Uta Gassen.

Included on the albums “JAPONESQUE” and “WINTER of LOVE,” it has become one of Koda’s signature songs.

It is sure to resonate deeply with anyone who relates to the loneliness of not being able to be with the one you love and the earnest desire to go on loving despite the gaze of society.

flighty feelingback number

back number – Frivolous Feelings

It’s a song about a man who cheated, kissing his girlfriend while thinking he has to tell her what he did.

In fact, this man was cheated on by his previous girlfriend, and he once hurled cruel words at her as she cried and apologized.

Even though he knows how it feels to be the one betrayed, he ended up doing the exact same thing.

You can sense his wish to spend just a little more time in a fleeting happiness, even as the future that awaits them is painfully clear.

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sasashina

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wanderingAKASAKI

[AKASAKI] Wandering / HAIKAI (Lyric Video)

A bittersweet love story portrayed as if wandering through the city at night.

With the purity of youth and a delicate sensibility, AKASAKI sings of a heart swayed by love.

Together with a chorus that soars in the hook, it becomes a gem of a ballad that beautifully conveys guilt and yearning.

Released in April 2025, this work, though arranged simply with piano and guitar, resonates with young listeners thanks to its richly expressive vocals.

Not every love story is pure and straightforward.

This song accompanies those who wrestle with the feelings smoldering deep in their hearts and those who hesitate to find the courage to take a step forward.

Bad personsenritsu kannano

Kano Kanaru “Bad Person” M/V

A heartrending unrequited love song that delicately portrays the feelings of a woman who has stepped into a forbidden romance.

While trapped in memories that resurface with the chill of autumn, her determination to move forward leaves a strong impression.

Kanano Senritsu’s fragile vocals beautifully express the inner turmoil of the conflicted woman.

Released in September 2024 as Kanano Senritsu’s solo major debut track, the song depicts the complex emotions of recognizing the other person’s lies yet accepting them, as well as a mixture of regret and lingering attachment—inviting empathy from those who have experienced something similar.

Shitsuren feat. MatsuriTakase Tōya

Toya Takase / Shitsuren (Unrequited Love) feat. Matsuri (Official Music Video)

A duet song by Toya Takase and Matsuri that delicately portrays the emotions of two people consumed by a forbidden love.

Within a relationship so dependent that they can’t even bring themselves to part, the contradictions and inner conflicts born from caring too much for each other are expressed with aching tenderness.

Released in June 2024, the song has resonated especially with Gen Z.

It’s a moving track that offers solace to those experiencing a bittersweet love—longing for someone while suffering under the weight of those very feelings.

You are a cigarette; I am a soap bubble.Lovely Summer Chan

You are a cigarette; I am a soap bubble.

A melancholic guitar-pop song by Lovely Summer Chan that delicately depicts the end of a bittersweet love.

Featured on her major-label debut album “LSC,” released in November 2016, the track expresses the faint feelings for someone out of reach and the fragility of having no choice but to accept it.

Through the contrast between “cigarettes,” a symbol of adulthood, and “soap bubbles,” which vanish in an instant, it strikingly portrays the distance between two people who can never truly meet.

It’s a highly relatable song that offers comfort to those who strive to move forward even while suffering from an unrequited love.