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[KAT-TUN’s Masterpieces] A Curated Selection of Hit Songs and Fan-Favorite Tracks
Since their debut, KAT-TUN captivated many fans with their unique worldview and performances, and on March 31, 2025, they brought their journey as a group to a close.
Their songs are packed with elements that move listeners’ hearts—fierce yet heartrending lyrics, cool sounds, and more.
Many of you likely have that one special track—“I love that song!” or “This is the song that introduced me to them.” In this article, we’ll introduce KAT-TUN’s classic and popular songs.
From nostalgic tracks to timeless tunes that still shine today, we hope you’ll find your favorite.
[KAT-TUN’s Classic Songs] A Curated Selection of Hit Tracks & Fan-Favorite Songs (1–10)
EUPHORIAKAT-TUN
An aggressive dance number with a cool, exhilarating beat that conveys a strong determination toward the future.
Included on KAT-TUN’s double A-side single released in September 2021, this track carries the power befitting a milestone marking their 15th anniversary.
Chosen as the theme song for TV Asahi’s OshiDora Saturday drama “The High School Heroes,” starring Bishonen, it expresses heroic spirit and bonds with friends that align with the drama’s world.
With a sound themed around timeless connections and a soaring sense of uplift, it’s sure to give listeners a powerful push forward.
When you’re about to take on a challenge or want to fire yourself up, listening to it will fill you with the energy to move ahead.
RoarKAT-TUN
This is KAT-TUN’s 28th single, released in March 2021 to mark the major milestone of their 15th anniversary.
It also drew attention for being chosen as the theme song for the NTV Saturday drama “Red Eyes: Kanshi Sosahan,” starring Kazuya Kamenashi.
The lyrics express the resolve to start walking toward the future while grappling with a present that has no clear answers, and the sound—combining fragility and strength—strikes a chord.
The arrangement, in which the three members’ vocals layer over the cool tones of piano and strings, is breathtaking.
It’s a track you’ll want to sink into when you need courage to move forward or on a quiet night when you want to face yourself.
FlashbackKAT-TUN
This work was produced as a digital-only coupling track for the single “Roar,” released in March 2021.
Timed with the group’s 15th anniversary and their first-ever digital release, it stands as a landmark ballad.
The lyrics were written by Kenta Urashima, with composition by Kenta Urashima and Hiroto Kikuchi, delicately portraying the resolve to move forward while embracing memories of the past.
As the title suggests—meaning “reminiscence”—it’s a masterpiece that invites you to reflect on their journey and listen closely alone on a quiet night.
It’s also recommended for those who want to look back on the time spent with KAT-TUN and bask in a warm afterglow.
a bolt from the blueKAT-TUN
As the title suggests, it’s a cool dance number that captures unexpected, shocking events and emotional upheavals with thrilling, “flash-like” words.
It distills KAT-TUN’s signature sharp, urban worldview, and the gripping tension that seizes the listener in an instant is irresistible.
Though performed on NHK’s The Shonen Club and at concerts since around 2005, this legendary masterpiece went unreleased in audio form for a long time.
Answering fervent fan requests, it finally received its first CD release on the fan-club–exclusive edition of the single “Roar,” released in March 2021.
It also drew attention for being packaged at the milestone of the group’s 15th anniversary.
Real FaceKAT-TUN
Released in March 2006, this is KAT-TUN’s debut single and one of their signature songs.
The tongue clicks in the track don’t come off unpleasant at all; instead, they bring out KAT-TUN’s style and make it really cool.
The choreography for the chorus is easy to learn, so at concerts fans would dance along with them.
Love Lots TogetherKAT-TUN
A track included on the album Fantasia, released in February 2023, that has earned passionate support from fans.
Its charm lies in a sound that evokes the glittering nights of the city and lyrics brimming with sheer euphoria.
Even among the works themed around being “genreless,” this song stands out for its mature poise and sweet mood, making your heart naturally skip just by listening.
Although not the title track, it’s known for receiving special promotion, including the release of its music video on YouTube.
The synergy between the sophisticated visuals and the music is outstanding, and the lavish live performances also became a hot topic.
It’s perfect for lifting your mood with a stylish vibe, or as a companion for a nighttime drive.
In our townKAT-TUN
This is the song that was used as the theme for the drama “Tatta Hitotsu no Koi” starring Kazuya Kamenashi.
It was performed when Jin Akanishi was studying abroad and the group was active as five members.
Among fans, there was a rumor that the sign language-like choreography in the middle was a message from the members to Akanishi.
Le ciel ~Words Praying for Your Happiness~KAT-TUN
A KAT-TUN track titled with the French word for “sky,” celebrated for its exotic worldview and exhilarating drive.
The opening narration and lyrics that evoke a fantastical tale invite listeners on a grand adventure.
It conveys a fierce determination and passion to protect someone dear.
Performed live since before their debut and also used in Lotte’s “Xylitol Gum Plus X” commercial, this song long lacked an official audio release, but its original recording was finally included on the fan-club–limited edition of the single “Roar,” released in March 2021.
It’s a must-listen when you need the courage to face a challenge, or when you want to experience the edgy aesthetic that could be called their origin.
We Just Go Hard feat. AK-69KAT-TUN
This work features AK-69, a leading figure in Japan’s hip-hop scene.
The lyrics, which portray an athlete-like fighting spirit and the strength to push forward with self-belief, perfectly match KAT-TUN’s cool and gritty vibe.
Included on the single “We Just Go Hard feat.
AK-69 / EUPHORIA,” released in September 2021, it was used as the image song for Nippon TV’s professional baseball broadcasts “DRAMATIC BASEBALL 2021” and as the theme song for “Going! Sports & News.” It’s a fiery track that fills you with power when you need to fire yourself up in clutch moments or boost your motivation.
Distant PromiseKAT-TUN
A song included on the album “Beat of KAT-TUN,” which was released in the unusual manner of serving as both their debut album and a best-of compilation.
It’s also a song they cherished and performed even before their official debut.
With a familiar, briskly driving sound, it continues to be loved by many fans to this day.