A collection of back number’s heartfelt masterpieces: popular love songs

Express train to home for self-reflectionback number

Hansei Kyuukou Jitakuiki

back number’s heartbreak song “Reflection Line Express Bound for Home” overflows with a sense of speed.

It’s a breakup song that brilliantly captures their signature lingering attachment, wrapped in a sharp, early-2010s alternative rock melody.

The guitar riff has a slightly Asian Kung-Fu Generation-like feel.

Among back number’s catalog, this piece is particularly easy to sing.

With its generally narrow range and straightforward vocal line, it’s very singable; however, because it features a lot of long sustained notes, it’s recommended for people who are confident in their breath control but not necessarily in their overall vocal technique.

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Ryo

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Song of Those Who Supportback number

Sasaeru Hitono Uta

A song from a mother’s perspective that makes you miss your family home with warm meals and the kotatsu.

We’ve grown up and can do everything on our own, but sometimes our hearts still break.

Yet just knowing there’s someone who believes in us and is always thinking of us from afar gives us strength.

It’s a warm, comforting song like that.

Size of the kaijuback number

back number – The Size of the Monster

back number is a three-piece rock band known for sentimental lyrics and vocals that resonate with younger generations.

Their seventh digital-only single, “Kaijū no Size,” pairs a refreshing, exhilarating melody with a driving shuffle beat that feels great.

The lyrics liken the magnitude of one’s feelings for someone to the size of a monster, something many listeners will likely relate to their own experiences.

It’s a bittersweet yet somehow uplifting track, portraying a message that sings of honest feelings that can no longer be conveyed.

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Hoshino Takashi

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SISTERback number

back number – 「SISTER」 Music Video

This song, their 12th single, brings in producer Koichi Tsutaya to elevate its quality as J-pop even further.

Many of you have probably also heard it as a commercial song for Pocari Sweat.

The rhythm in the chorus is so catchy it makes you want to move your body.

Hold on a second with that dress.back number

Hold on a second with that dress.

The song is called “Wait a Second with That Dress,” included on the 2010 album Ato no Matsuri.

It humorously portrays the complex feelings of a protagonist who hears the news that an old lover is getting married.

The one who initiated the breakup was the protagonist—and the one who regrets it a little is also the protagonist.

Selfish as they may be, many people can probably relate.

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Yoimachi Jēn

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Endingback number

back number – Ending (full)

A track from the album “blues.” It incorporates strings, giving it a grand feel.

The chorus repeats everyday lyrics about a couple, making it memorable.

The lyrics are a bit cryptic, but you can sense regret.

It’s a heartbreak song that captures the human tendency to realize things only after losing them—something anyone can relate to.

Checkered one-piece dressback number

Checkered One-piece Dress / back number (cover by Yuto Uno)

One love ends, and a new life begins.

Even if you don’t intend to dwell on a finished romance, seeing someone wearing similar clothes will probably bring the memories back.

This song carries those bittersweet gaps in the heart on a melodious track.

The lyrics are lovely too, projecting the joy of being in love and the fragility of its end through light and shadow.