Back Number’s Mutual Love Songs: Popular Song Ranking [2026]
We present a ranking of back number’s quintessential, straight-down-the-line love songs.
From among their love songs, we’ve picked out heart-fluttering situations where the feelings are mutual.
Give them a listen and prepare to swoon.
Back Number Mutual Love Songs: Popular Song Ranking [2026] (1–10)
bouquetback number1rank/position

This is a warm love song by back number that conveys a straightforward, if clumsy, affection through the casual conversations of a couple.
Even as it voices anxieties about the future, the pure feeling of “I want to be with you” resonates all the more, carried by a gentle melody that seeps into the heart.
The chorus, like a vow, carries a strong wish to create many memories together from here on out, and it’s the kind of song that makes your chest tighten every time you listen.
Released in June 2011, the track is also included on the album “Super Star.” It was used as the ending theme for TBS’s “COUNT DOWN TV,” and a short film based on the song was produced as well.
If you listen to it with someone special on a summer drive date, it will surely heighten the romantic mood between the two of you.
Old-fashionedback number2rank/position

Known for their bittersweet love songs, back number present a new frontier that blends warmth and strength in this track.
The story is memorable: a self-denying protagonist explores a delicate, profound love through a relationship with a partner who possesses opposite qualities.
Released in November 2018, it was chosen as the theme song for TBS’s Friday drama “The Greatest Love: You, Who Will Forget Me.” It sold 51,985 copies in its first week, becoming a bigger hit than their signature song “Christmas Song” in its debut week.
Recommended for those who struggle with self-confidence or who want to cherish everyday life with someone important.
With lyrics that resonate and a beautiful melody, it’s sure to stay close to your heart.
Sundayback number3rank/position

A heartwarming song that conveys the utmost happiness found in ordinary days spent with someone you love.
As you grow older and realize that what you seek has changed, you can’t help but relate to the feeling that walking through life with someone precious is what matters most.
It’s truly a song that depicts the “ideal romance.”
From our joined handsback number4rank/position

This is a back number song about mutual love, featuring a powerful sound that exudes pride as a rock band and lyrics crafted for easy resonance, resulting in a reassuring finish.
It’s a work that lets you enjoy the artist’s persona comfortably and is a perfect fit for women in their twenties.
Christmas songback number5rank/position

This is a highly popular Christmas song by back number, and it was also used as the theme song for the 2015 drama “5→9: From Five to Nine.” Even if you didn’t watch the show, many people have likely heard it somewhere during the Christmas season.
The song depicts a man preparing to confess his feelings to the person he likes just before Christmas.
While he considers the glittering city lights and sweet love songs of the season to be a bit cliché, he secretly envies them—something many listeners might relate to.
On the other hand, the chorus, which expresses his feelings for the woman he likes, is written with striking honesty, making it easy for anyone experiencing unrequited love—regardless of gender—to empathize.
I love youback number6rank/position

Back number is a three-piece rock band formed in 2004.
Known for their straightforward lyrics, the band released “I Love You” in 2022, a wonderful love song that also serves as the theme for NHK’s morning drama series “Maiagare!” The song features a highly appealing sound with strings, perfectly matched by vocalist Iyori Shimizu’s earnest singing, and it naturally brings tears to your eyes as you listen.
It’s highly recommended for anyone who wants an uplifting yet slightly bittersweet song about mutual love.
blinkback number7rank/position

The moment you become happy, you’re suddenly struck by a vague sense of unease.
This song by back number captures that feeling beautifully.
Released in December 2017 as the theme song for the film “The 8-Year Engagement,” it delves deeply into the essence of happiness.
With lyrics that focus on relationships with loved ones and the fleeting moments of joy found within them, it’s sure to resonate with many couples.
It gently portrays the joy of protecting someone, the humility to sometimes accept being protected, and the forms of happiness discovered within that balance.
A heartwarming track that reminds us that the very time spent with someone precious is the greatest happiness of all.


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