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Unattainable Love: A Heartbreaking Love Song About Falling for a Married Person

Even when you know the other person is married, you can’t help falling for them—and even if you’re married, you might find yourself falling for someone else.

You know in your head that it’s wrong, but you can’t stop it—maybe that’s what it means to be in love.

In this article, we’ve gathered songs that sing about those unspoken feelings and loves that don’t go the way we want.

Why not listen to tracks from people in similar situations and try to sort out your feelings? A song that resonates with your heart might show you the way to end a painful love.

[Unrequited Love] A bittersweet love song about falling for a married person (41–50)

short-sleevedImai Miki

This is a song by Miki Imai that candidly expresses the feelings of a woman who witnesses her lover—someone she can never be with—spending time with the family he truly belongs to.

Perhaps she was so lonely during the times they couldn’t meet that she ended up visiting his home, knowing full well she would get hurt.

The contrast between the fresh air of early summer and the heavy gloom in her heart is distilled into lyrics that aren’t particularly wordy.

Even faced with such a scene, the woman declares, “I still won’t give up,” and I can’t help but hope that one day she finds happiness.

Through countless nightsCHEMISTRY

A poignant love song by CHEMISTRY about feelings that can’t reach their destination.

The uniquely floating sound seems to reflect an unsteady heart.

With its simple arrangement of wavering organ tones and vocals, it feels like the message in the singing and lyrics is brought to the forefront.

It’s a track that powerfully conveys the pain of thinking about a beloved person who has left your side, as unreachable wishes pile up within yourself.

Sleepless nights are because of you.MISIA

MISIA – Sleepless Nights Are Your Fault (Official HD Music Video)
Sleepless nights are because of you.MISIA

A wistful medium-tempo ballad released in August 2002.

It portrays the inner turmoil of being drawn to someone you shouldn’t love, set against the loneliness of the night and fragile hopes.

The earnest feelings—sleeplessness when memories surface, the desperate wish to see them even if only in a dream—are delicately woven through MISIA’s rich expressiveness.

Included on the album “KISS IN THE SKY,” the song was used in Kirin Beverage’s “RAKUDA” commercial and served as the theme song for the Fuji TV drama “Love Quotient” (Ren’ai Hensachi).

Recommended for those who want to connect with the bittersweetness and depth of romantic feelings.

MELROSE ~A Promise Not to Love~EXILE ATSUSHI

EXILE ATSUSHI / MELROSE ~A Promise Not to Love~
MELROSE ~A Promise Not to Love~EXILE ATSUSHI

A ballad that portrays the bittersweet feelings of a man and a woman drawn to each other despite a promise not to fall in love.

The wavering heart caught between reason and emotion pairs beautifully with EXILE ATSUSHI’s deeply expressive vocals.

Released in December 2012 as his third solo single, the song is included on albums such as Music and Love Ballade.

It was also featured as the ending theme for NTV’s Sukkiri!!, garnering widespread attention.

This is a track that resonates deeply with those who relate to the complexities of adult romance or who are striving to move forward while carrying a sense of longing.

Sentimental Sisteryonige

yonige “Sentimental Sister” Official Music Video
Sentimental Sisteryonige

Set to a heartrending vocal, this song—told from a woman’s perspective—portrays a heart swaying within a forbidden love.

The protagonist, unable to escape tangled relationships and events of the past, conveys her feelings with raw, relatable honesty.

Released in July 2016 as part of yonige’s mini-album “I Want to Be a Snail,” the track captures the mindset of a woman who tries to move forward while still bound by past romances.

For anyone who has grappled with complex emotions like longing, regret, and guilt, it’s a song that’s impossible not to relate to.

Bad personsenritsu kannano

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.

I could never say I like you.fayray

A ballad delicately portraying the feelings of a woman swaying between urban loneliness and an unrequited love, released in January 2003 as Fayray’s 14th single.

While her feelings deepen for someone who is already engaged, she fears breaking their relationship and can’t bring herself to confess—emotions depicted alongside a beautiful piano melody.

Also chosen as the theme song for the Yomiuri TV/Nippon TV drama “Message: Words Keep Betraying,” this work showcases Fayray’s growth as a singer-songwriter.

It’s a song that offers solace to those suffering from the pain and conflict of love, recommended for anyone struggling with an affair or unrequited feelings.