A song of forbidden love. A heartrending, sorrowful love song.

Sleepless nights are because of you.MISIA

MISIA – Sleepless Nights Are Your Fault (Official HD Music Video)

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.

I could never say I like you.fayray

I could never say I like you.

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.

Sentimental Sisteryonige

yonige “Sentimental Sister” Official Music Video

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.

LiarKanoerana

Usotsuki

A heartrending ballad that traces the pain and confusion of a protagonist who’s suddenly told it’s over—and that there’s someone new.

Unable to blame their partner and instead turning the blame inward, the protagonist beautifully embodies the universal emotions of heartbreak.

This piece is a February 2017 work included in Kanoerana’s 30-second song collection, “30 seconds ~ Kanoe’s Fun Song Diary ~.” It’s a song that will resonate with anyone trying to come to terms with the pain of a breakup or spending their days unable to forget a former lover.

pure whiteFujita Maiko

Maiko Fujita “Pure White” Music Video

This is a work by Maiko Fujita that portrays a forbidden love that reason cannot suppress, using the motif of a white flower blooming in the dark night.

Set in a foggy city bathed in moonlight, it delicately weaves the precarious and heartrending fate of a man and a woman burdened with loneliness.

Released in March 2025, it was included on the album “Unrequited Love” as the 2nd anniversary song for the smartphone romance game Ikemen Villains: A Dark Love That Blooms at Night.

It is a quiet companion for those who are in a love they cannot tell anyone about, or who have once burned with the purity of love.

Me too,YUTORI-SEDAI

YUTORI-SEDAI – Me Too, [Official Music Video] (Theme Song for the Drama “I’m Being Toyed With by a Younger Virgin Guy”)

A ballad that poignantly portrays an unrequited love, set to the aching timbre of a piano.

Upon learning that their crush is dating a close friend, the protagonist carefully weaves their feelings as they have no choice but to give up while keeping their emotions hidden.

The more they think about the person they love, the more the pain intensifies—an experience many share as a bittersweet memory that lingers in the heart.

Included on YUTORI-SEDAI’s major first EP “blanket,” released in April 2025, this song was also chosen as the ending theme for MBS’s Drama Tokku series “I’m Being Toyed With by a Younger Virgin.” It’s a track that gently accompanies the hearts of those in one-sided love, where simply thinking of someone makes your chest tighten.

PrimroseFLG4

Hatsukoi-sou / FLG4 (Self-Cover)

A poignant melody that expresses warped love and inner anguish is layered with a powerful yet delicate vocal performance in FLG4’s track.

Born from encounters with people in minority communities and released in April 2021, this work beautifully captures the aching feeling of harboring emotions no one understands, yet still being unable to stop longing for someone.

Coupled with a worldview where fiction and reality intersect, it becomes a piece that evokes deep empathy.

It’s a song that gently stays close to the hearts of those who struggle with loneliness and self-denial.