A collection of back number’s heartfelt masterpieces: popular love songs
Speaking of back number’s greatest appeal, it has to be their love songs, which blend edgy band sounds with classic pop while painting a unique worldview.
The songwriting of their frontman, Iyori Shimizu, resonates with many people.
There are surely countless listeners who have been saved by their music.
Since their formation, back number has been around for quite a while and has entered the realm of veterans, yet they’ve been gaining even more support in the Reiwa era.
In this article, we’re showcasing plenty of their hits and beloved tracks.
They have an abundance of wonderful songs, so whether you’ve only recently become a fan or have followed them for years, take this opportunity to revisit their music at your own pace!
- back number Popular Song Ranking [2026]
- Back Number's Tearjerker Songs, Cry-Your-Eyes-Out Tracks, and Popular Song Rankings [2026]
- Back Number Love Songs: Popular Songs Ranking [2026]
- Karaoke Popular Song Ranking of back number [2026]
- Back Number Ballad Songs: Popular Song Ranking [2026]
- Back Number Unrequited Love Songs: Popular Song Ranking [2026]
- back number Heartbreak Songs and Popular Tracks Ranking [2026]
- Back Number’s Most Moving Songs and Popular Tracks Ranking [2026]
- back number Christmas Songs: Popular Song Ranking [2026]
- Easy-to-sing recommended songs by back number [for karaoke song selection]
- back number’s Cheer Songs & Popular Hits Ranking [2026]
- Back Number Youth Songs: Popular Song Rankings [2026]
- Nothing but masterpieces! Love songs by male artists recommended for Gen Z
[Heartwarming] A collection of back number’s masterpieces: Popular love songs (1–10)
If I became your loverback number
A coupling track released in November 2016.
It’s included on the single “Happy End.” It perfectly matches the atmosphere that evokes the deepening of autumn and the arrival of winter.
The lyrics, imbued with the bittersweetness characteristic of back number, paint an imagined scenario of what it would be like to become lovers, making your heart flutter.
It’s striking how the song focuses on small everyday moments and conveys the importance of expressing affection.
Listening to this track seems to warm the hearts of those in love.
It’s a song you’ll want to play on a quiet night spent with someone special.
Velvet Poemback number
An ambitious new piece by back number, known for their bittersweet love songs, written as the theme song for the film Akira and Akira.
Released digitally in August 2022, this work beautifully marries Iyori Shimizu’s delicate lyrics with Seiji Kameda’s masterful arrangement.
It’s striking in the way it sings of the courage to face life’s hardships and the strength to stay true to oneself.
The melody, which resonates deeply, ties in with the film’s worldview.
Even while carrying setbacks and pain, it gently gives a push to those who keep looking forward.
It’s a song we especially want people who feel worn out by daily life or who are searching for their own path to hear.
horizonback number
A classic that sings of hope, setbacks, and the courage to look ahead.
It was written in 2020, when the Inter-High School Championships were canceled due to the COVID-19 pandemic.
With a moving melody and lyrics that resonate deeply, the song gained strong support, especially among young people.
After a surprise debut on YouTube, it was released across streaming platforms in response to fans’ requests, spending nine consecutive weeks at No.
1 and further cementing back number’s popularity.
It’s a track that stands beside those who have faced failure or are chasing their dreams.
Why not make it the soundtrack to your life?
[Touching the Heart] A collection of back number’s classic songs: Popular love songs (11–20)
Heroineback number
When it comes to winter unrequited-love songs, this is the one.
No matter when, I always want it to be “with her.” While I let that wish drift through snowy scenery, I kind of want to know how she feels—yet kind of don’t.
That very frustration is exactly what makes this a quintessential back number classic.
By the way, I’ve heard the song was originally titled “Microwave.” To create such a masterpiece from “microwave”—Iyori Shimizu, the vocalist… how wonderful.
Happinessback number
It’s a song called “Happiness,” included on the 2011 album Superstar.
It’s a heartrending love song about a protagonist suffering from an unrequited love who still wishes above all for the other person’s happiness.
Vocalist Iyori Shimizu’s performance gives me goosebumps.
Perhaps because he pours even more emotion into it than in other songs, his near-tearful voice grips my heart.
Sundayback number
This is a song called “Sunday” from the album “blues,” released in 2012.
It’s about happiness.
Compared to the happy life I imagined when I was young, my life now is modest, but as an adult it makes me reconsider that true happiness is a life devoted to protecting the people who truly matter.
If someone sang this at a wedding, there’s no doubt I’d be in tears!
HAPPY BIRTHDAYback number
It’s a song called “HAPPY BIRTHDAY,” included on the 2019 album MAGIC.
It’s one of back number’s popular tracks.
The lyrics burst with the feeling of “I want the person I like to celebrate me! I want to spend the day with the person I like!”—something many people can probably relate to.
It’s a song that will cheer you on as you work to spend your next birthday with the one you love.