An idol-sung youth anthem: a roundup of songs celebrating sparkling, radiant days
Among idol songs, there are tracks with a wide range of lyrical themes, and youth-themed songs are especially popular.
From songs that depict the bittersweet romances of school days, to songs that celebrate the hard work built together with friends toward a shared goal, to songs about friendship—“youth songs” come in many varieties.
In this article, we’ll introduce a curated selection of recommended youth-themed tracks from the vast world of idol songs.
We’ve gathered songs with various themes, so try listening while reading the lyrics.
We hope you’ll find a track that sets your heart on fire.
An idol-sung youth song: A roundup of tracks celebrating sparkling, radiant days (1–10)
Youth “Subliminal”NEW!＝LOVE
This is a jewel of a classic idol song that candidly captures the exhilaration and hesitation of realizing you’re in love, along with that forward-driving urge to take off running.
From the crystal-clear intro to the chorus where the sound seems to burst wide open, it sets listeners’ hearts aflutter.
Released in November 2020 as =LOVE’s eighth single, it sold 100,000 copies in its first week on the Oricon Weekly Singles Chart, debuting at No.
1 and marking a major hit that celebrated a pivotal fresh start for the group.
Brimming with dazzling energy, it’s perfect for anyone who wants to approach each day with more positivity.
If you’re about to take a new step or find yourself needing a little courage in a fleeting moment, lend an ear to this hopeful melody.
This sky is the triggerNEW!＝LOVE
Its bright, glittering, classic idol-pop melody intersects with the ache of unrequited love to strike straight at the heart.
Though it sounds glamorous, what it portrays are the sweet-yet-bitter emotions of a love that won’t be returned.
That gap between cuteness and bittersweetness makes it irresistible, doesn’t it? Released in February 2023 as the group’s 13th single, this work wasn’t backed by a major tie-in; instead, it’s been cherished through events that connect directly with fans, such as special release-commemoration lives.
Surpassing 200,000 copies in its first week, it stands as a symbol of the group’s momentum.
It’s perfect for those wrestling with an unattainable love or anyone who wants to feel the sparkle of youth.
While it stays close to your aching feelings, it also brings a refreshing breeze to your heart.
Unfinished YouthCANDY TUNE
Set to a high-velocity, exhilarating sound, this dance track portrays the driving energy of charging straight toward completion.
Even as it carries moments of wavering and room to grow, the sight of pressing forward with eyes ahead is sure to move you.
The song is included on the album “CANDY TUNE,” released in March 2023.
Nurtured with care alongside fans at live shows from the group’s debut stages to the present, this piece boasts a crisp, satisfying beat and the power to instantly raise the heat of any venue.
It’s a must-listen when you want to throw yourself wholeheartedly toward a goal or need a strong push at your back.
Why not feel its burning energy with your whole body and take a bold new step forward?
SWEET BLOOMSWEET STEADY
A dazzling sparkle like flowers in full bloom resonates in the heart—this is a glamorous pop tune.
It portrays a determination to keep shining in one’s own way, while holding close the bond with fans and hope for the future.
With an ear-catching melody and a festive sound, it’s a song that gently gives listeners a push forward.
Released in April 2025 to commemorate the first anniversary of their debut, it was selected as the opening theme for TV Asahi’s “music-ru TV” for June.
The experiences of the past year and the next step forward are tightly packed into this track.
It’s recommended for anyone looking back on the days so far and preparing to step onto a new stage.
Listen to this love-filled piece, and your heart is sure to feel refreshed.
WAO! Youthful days!CANDY TUNE
If you’re looking for a song packed with all the youthful feelings—love, friendship, the whole lot—propelled by a bright, upbeat tempo, this CANDY TUNE number is it.
Its exhilarating sound and snappy beat combine to naturally get listeners moving, creating a real sense of uplift.
Released in September 2023, the track has played a key role in boosting unity in live settings, such as the group’s solo concerts.
It’s also known for its star-studded production team, including Naoki Kubo and Suu.
Built for crowd calls and towel-spinning, it’s a perfect upper-tune for situations where you want to get hyped together at festivals and other live events.
Be sure to add it to your playlist.
Diamond DaysSWEET STEADY
A song that casts a spell, making the ordinary moments of everyday life shine like jewels.
This pop track, themed around the sparkle of youth—love and longing—captures the heart with its bright, bouncing beat and sweetly wistful melody.
Once you hear it, doesn’t it make your chest flutter so much it won’t leave your head? This number was included as one of the title tracks on SWEET STEADY’s first single, released in December 2024.
It debuted at No.
2 on the Oricon Daily Singles Chart and later earned a spot on the acclaimed album “KAWAII LAB.
BEST ALBUM.” Perfect for anyone who wants to add a little thrill to everyday life! How about adding it to your morning playlist to lift your spirits?
The signal of the beginningSWEET STEADY
It’s a blissful track packed tight with the poppy vibe of Harajuku culture.
The bouncy rhythm and friendly melody feel so good, you can’t help but start moving! The themes of friendship and setting off toward the future are written in down-to-earth words that really tug at your heart.
Released in March 2024, just before SWEET STEADY’s debut, this is their first single.
While it didn’t have any clear tie-ins with TV or film, it became an emblematic work, featured prominently as the banner for their first solo live show held in June of the same year.
This song is for anyone stepping into a new environment with some anxiety, yet wanting to run toward their dreams with their friends.
Why not take in its forward-looking energy and take a big step forward together?