Back Number's Tearjerker Songs, Cry-Your-Eyes-Out Tracks, and Popular Song Rankings [2026]

yellowback number22rank/position

back number – Yellow

Speaking of songs imbued with a bittersweet yet beautiful wish for a loved one’s happiness, “Yellow” comes to mind.

Created in 2021 by the rock band back number, known for crafting love songs from every perspective, it vividly portrays the kind of longing that keeps you thinking about someone you love—even when you know your feelings won’t reach them, even when you know it won’t come true.

You’ll also find solace in vocalist Iyori Shimizu’s tender yet powerful voice.

It’s a grand rock ballad resonating with the sound of beautiful strings.

Why not receive its message that stands beside the anxieties and heartache of unrequited love?

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Blue Springback number23rank/position

back number – Aoi Haru (full)

This is a song by back number that portrays the anxieties and hopes of youth.

Released in November 2012 as their seventh single, it was used as the theme song for the Fuji TV drama “Koko Nyushi” (High School Entrance Exam).

The lyrics, which depict the struggles and growth of unconventional young people, leave a strong impression.

It’s a rock tune that feels calm yet resolute, hitting you right in the heart.

It’s a message song that teenagers facing uncertainties about the future should especially listen to.

The lyrics inspire you to believe in your potential and to give it your all, and they truly resonate.

It’s a perfect track to give you a push forward in spring as you step into a new environment.

Ritz Partyback number24rank/position

Ritz Party

This is a back number song filled with a faint crush and bittersweet feelings.

The lyrics capture the emotions of thinking about a lover far away and the loneliness of not being able to meet.

Throughout the song, you can feel the deep care for the other person.

This track is included on the album “Superstar,” released in October 2011.

It’s recommended for those in a long-distance relationship or anyone struggling with a relationship with someone important.

Listening to this song might help you reaffirm your feelings for that person.

The song that comes afterback number25rank/position

The song that comes after

back number portrays lingering attachment and regret after a breakup in unadorned, down-to-earth words.

“Ato no Uta,” included on their indie-era album Ato no Matsuri, is a hidden gem released in June 2010.

The lyrics describe the ironic psychology where deliberately avoiding reminders in an effort to forget only makes you more conscious of the other person’s presence.

By refusing to dress up the pain of heartbreak and instead depicting it as traces that remain in everyday life, the song’s words carry a wrenching sense of reality.

It’s a track you’ll want to listen to on nights when the sadness of parting hasn’t healed and memories resurface in unguarded moments.

If you’re standing still, unable to sort out a past love, this song will gently stay by your side.

Even if I forget somedayback number26rank/position

back number - Even if I someday forget

A breakup song by back number that has captivated many with their love songs.

It’s a track included on their first album, “Ato no Matsuri.” I want to become someone who, even just once, would make the person I broke up with think, “I don’t want to forget you.” We may part ways now because we’ve grown distant or started to dislike each other, but being someone that the other person doesn’t want to forget—a presence they want to keep in their life—there’s a kind of pride in that, isn’t there? Whether I can become that kind of person, I want to be… back number has a way of singing those faint, earnest feelings in a completely straightforward way.

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The curtain risesback number27rank/position

back number – The Curtain Rises [Theme song for the film 'TOKYO MER: Mobile Emergency Room – Nankai Mission']

This is a sweeping, heart-stirring ballad by back number, chosen as the theme song for the theatrical release TOKYO MER: Mobile Emergency Room – Nankai Mission, coming out in August 2025.

Produced with Takeshi Kobayashi onboard, its sense of scale is breathtaking.

The song portrays the decisive moment when, despite being so overcome by fear that one trembles, one still resolves—out of a sense of duty—to head toward someone in need.

Lead actor Ryohei Suzuki has said this worldview gripped his heart; it truly feels like a scene from a film.

Listen to it when you’re facing a major challenge or need to steel yourself, and you’ll receive a warm yet powerful boost of encouragement.

Letterback number28rank/position

back number – Letter (full)

A wedding is a precious day that marks the start of a couple’s new life together.

This back number classic is perfect for such a special occasion.

It’s a medium-tempo ballad that honestly expresses gratitude to one’s parents, filled with memories shared between parent and child from childhood to the present.

Released in August 2015 and featured in an NTT Docomo commercial, the song’s music video stars Kanna Moriya and movingly portrays the bond between a mother and her son.

It’s recommended for anyone who wants to express heartfelt thanks to someone important.

If you give it together with a letter of gratitude to your parents, it will surely touch their hearts!