A roundup introduction to the debut songs of female idols who debuted in the 2000s!
Female idols who debuted in the 2000s and dazzled the scene with their brilliant success.
Their debut songs—now almost legendary—are packed with the fresh charm that vividly colored the music scene of the time.
In this article, we’ve gathered the first singles from idols who made their debut in the 2000s.
Some groups are still active today as idols or artists, while others are now widely admired as actresses.
Whether you witnessed their debuts in real time or discovered them later, enjoy these gems where nostalgia and freshness coexist.
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A roundup introduction to debut songs by female idols who debuted in the 2000s! (11–20)
SHALL WE LOVE?gomattou
This is the only single by a special unit that brought together three solo idols who were immensely popular in Hello! Project at the time, released in November 2002.
The star-studded lineup of Maki Goto, Aya Matsuura, and Miki Fujimoto delivers a cool R&B sound that stands apart from their usual sweet image.
The song portrays a woman who takes the lead in love, provocatively challenging her partner with a confident attitude.
It topped the Oricon Weekly Chart and is also known for later being included on each member’s solo album.
This danceable number, perfectly suited to a city nightscape, is sure to lift your spirits as you listen.
Relax!nōsurībusu
This is the debut single released in November 2008 by No Sleeves, a unit formed by standout AKB48 members.
When you hear the names Haruna Kojima, Minami Takahashi, and Minami Minegishi, you probably think first of their achievements in AKB48, right? This track presents a new side of the trio with the concept of “taking off their uniforms and breaking out of Akihabara.” Set to a light, 80s-evoking disco sound, it gently tells those who are already doing their best, “It’s okay to take a break.” It’s a song that seeps into your heart with their down-to-earth encouragement, especially when you want to ease up a little.
U ♡ Mebanira bīnzu
This is Vanilla Beans’ memorable debut single, released in October 2007 with the tagline “Riding the Nordic breeze.” Its stylish, slightly retro sound evokes Swedish pop and feels wonderfully pleasant.
The theme embedded in the title—“You and I”—conveys the flutter of a budding romance and that sweet-and-sour feeling.
As the group’s starting point, the song was also included on their best-of album, VaniBest.
Your sweet tasteMeron Kinenbi
Formed in 1999 under Hello! Project, Melon Kinenbi is also known for never having any member changes over their 10-year run.
Their memorable debut single was released in February 2000, with lyrics and composition by none other than Tsunku♂.
The lyrics, packed with the fluttery excitement and sweet thrill of a budding romance, really hit home.
The song was also used as the ending theme for the anime Sorcerous Stabber Orphen Revenge.
It’s the perfect number for when you’ve fallen for someone and every day seems to shine—when you want to soak in that feeling of happiness.
Love-Squadron Heartbreak RangersUra Natsumi
This is the only single from the star-studded unit Gomattou Natsumi, formed by Natsumi Abe, Maki Goto, and Aya Matsuura, who led the idol scene of the time.
Released in October 2004, the song is an energetic anthem about overcoming heartbreak like a hero.
Even after love fails, wield curiosity as your weapon and become even more beautiful! This positive message resonates over a danceable sound that syncs with the trio’s powerful vocals.
It’s a lively number that gives you a gentle push forward when you’re feeling down.
Blue FutureWatari Rōka Hashiritai Nana
One of the double A-side debut single tracks released to the world in January 2009 alongside “Hatsukoi Dash” by Watarirouka Hashiritai, a unit formed around popular AKB48 members.
This song is a youthful anthem of encouragement that sings of hope for the future, as if reaching a hand beyond the horizon.
It was also used as the opening theme for the TV anime BLUE DRAGON: Tenkaï no Shichiryū, and reached No.
10 on the Oricon weekly chart.
With a catchy melody characteristic of producer Yasushi Akimoto and the group’s fresh, innocent vocals, it carries a warmth that gently gives listeners a push forward.
Maiden’s PrayerMano Erina
This is the solo debut song released by Erina Mano, who is also active as an actress, in March 2009.
The delicate tones of the piano—an instrument she has excelled at since childhood—blend with her pure, gentle vocals, making it truly lovely.
The work’s charm lies in its world view, which portrays a pure, prayer-like feeling of unwavering love for someone special.
It also drew attention for being composed by KAN.
The song impressively reached No.
5 on the Oricon Weekly Chart and later became one of her signature tracks, included on her first album “FRIENDS” and her best-of compilation “BEST FRIENDS.”
periodAyase Haruka
While Haruka Ayase is best known as an actress, she made her debut as a singer in March 2006.
Produced by Takeshi Kobayashi with lyrics by Kaori Mochida of Every Little Thing, the release drew attention and is a poignant medium-tempo ballad themed around the end of a romance.
Ayase’s somewhat delicate yet supple vocals are truly lovely.
This debut track was also used as the theme song for the short film Taberukishinai, in which she starred.
The Husk of LoveBiyūden
Biyuuden, formed around Rika Ishikawa, formerly of Morning Musume, with members selected through auditions.
This is their memorable debut single, released in September 2004.
Under producer Tsunku♂’s concept of “a feminine aesthetic in resonance with Wa (Japanese sensibility),” lyrics were written by Reiko Yukawa and the music composed by Hatake.
The song conveys the emptiness that feels like a gaping hole in the heart after love ends, expressed through a wistful melody imbued with a traditional Japanese atmosphere.
It’s a track you’ll want to listen to on nights when you want to linger in the sentiments of heartbreak.
Pink PunchMomoiro Kurōbā Zetto
Momoiro Clover’s indie debut single “Momoiro Punch.” It’s an energetic track that opens with the sounds of traditional Japanese instruments, putting “Wa” front and center.
Bursting with idol charm and maximum Momoclo-ness, this lovely song fills your heart with excitement.