Singer-songwriter Keina Suda—also known for his work as a Vocaloid producer under the name Balloon and for releasing the smash hit song “Charles.”
Aiming to become a studio musician, he entered a music university, and from 2013 began his activities as a Vocaloid producer, creating numerous hit songs thereafter.
Since 2017, he has also been active as a singer-songwriter, working in parallel with his Balloon projects.
This time, we’re introducing a ranking of Keina Suda’s most popular songs—must-see for both J-pop and Vocaloid fans!
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Also popular for his work as the Vocaloid producer Balloon! Suda Keina Popular Song Ranking (1–10)
DarlingSuda Keina1rank/position
A striking, direct call to the listener—an irresistibly catchy number that sticks in your head after just one listen.
In this song painted by Keina Suda, the theme centers on deep emotions lurking behind sweet words, like “dependency” and “obsession.” Released digitally in January 2023 and later included on the album Ghost Pop, the piece features pleasing repetitions and rhythms that loop in your mind like infatuation itself.
It’s a song for those who find mere cuteness unsatisfying—perfect for anyone completely and utterly hooked on the one they love.
mellowSuda Keina2rank/position
This song is there for you when you leap into a new springtime environment, with feelings of excitement and anxiety all mixed together.
Sung by Keina Suda, its driving band sound, light, sprightly beat, and subtly wistful melody make a strong impression.
Released digitally in advance in April 2023, the track was written as the opening theme for the anime “Skip and Loafer” and is also included on the album “Ghost Pop.” Its worldview, which captures the sparkling radiance of youth from a unique perspective, is perfect for your commuting or school playlist.
It’s sure to gently give you a push as you embark on your new life.
veilSuda Keina3rank/position
This ending song from the anime Fire Force is by singer-songwriter Keina Suda.
He’s a musician who started out as a Vocaloid producer before debuting as a singer-songwriter, and his hallmark is his solid composition skills.
It’s an exhilarating track that pairs a smart arrangement and catchy melodies with a beautiful sound.
If you discovered him through the anime, be sure to check out more of his songs.
AlbaSuda Keina4rank/position
A song released in 2020 that was chosen as the theme song for the film “Wednesday Disappears” starring Tomoya Nakamura.
The stylish sound and Keina Suda’s flowing vocal delivery draw you into its cool, breezy melody.
The more you listen, the more it grows on you.
With a heartbeat-like rhythm and a night-step vibe, it even feels perfect for a walk.
It evokes beautiful memories flickering like a revolving lantern.
I can’t help but feel it also sings about the importance of “acceptance.”
AprilSuda Keina5rank/position
This is a track that rides on a high-velocity sound, capturing the mix of excitement and anxiety that comes with the arrival of spring.
Released as a single in March 2024, it was written specifically for the new d Anime Store TV commercial, “Anime to Susume!” It also drew attention as the first piece Suda Keina created for a TV commercial.
The lyrics, depicting vivid memories of the past and spring’s uniquely unstable atmosphere, are likely to resonate deeply with anyone taking a new step forward.
The fast tempo of BPM 195 feels in sync with the pounding heartbeat of embarking on a new life, which really hits home.
It’s a powerful anthem that affirms the act of moving forward despite carrying uncertainty.
Give it a listen when you want to fire yourself up for the start of school or a new chapter in life.
HarudonariSuda Keina6rank/position
As a song you’ll want to listen to with the arrival of spring, I recommend “Harudonari” by Keina Suda.
Since its release on January 24, 2020, it has continued to captivate many listeners—a true classic.
With lyrics themed around “living” and a gentle, slightly sentimental melody, it evokes the calm sunshine of spring.
Also, the music video featuring Keina Suda himself is unmissable, so be sure to check it out.
CharlesSuda Keina7rank/position
A song that delicately portrays the poignant moment of parting, it will deeply resonate with men of the millennial generation.
The contrast between its driving melody and sentimental lyrics is striking, and it’s also very popular at karaoke.
Since its release in October 2016, it has garnered widespread empathy, with tens of millions of views on YouTube.
It has ranked high in JOYSOUND’s annual charts as well, so performing it at karaoke is sure to draw attention.
It’s a recommended track not only for those with plenty of romantic experience but also for anyone struggling with love.
lovesickSuda Keina8rank/position
Keina Suda, who is active as a singer-songwriter and Vocaloid producer, offers a unique take on romance in “Lovesick.” As the title suggests, he treats love like an illness: something you don’t want to catch, yet once you do, it makes you happy.
I hope you enjoy this distinctive world that’s both dark and comical.
It’s written from a woman’s perspective, with lyrics that use feminine speech, which is another key point.
The song has an exotic atmosphere overall.
MirageSuda Keina9rank/position
This commercial, styled like an anime that portrays the coming-of-age story of three high school girls, is a spot for d Anime Store.
It shows each of the three absorbed in what they’re passionate about, and their sparkling expressions leave a strong impression.
The BGM is “Mirage” by Keina Suda.
Released in 2025, the song was written specifically for this commercial.
It’s a beautiful mid-tempo track that lets Keina Suda’s clear vocals resonate.
Warped Heart feat. Mu-toSuda Keina10rank/position
Among Suda Keina’s songs, this is an especially popular, supreme duet track.
It’s a song that’s hugely loved regardless of gender! Featuring Muto-san, its lyrics leave a strong impression with their unique worldview.
The song portrays the contradictions of life and inner conflict, and its soaring chorus has a beauty that’s perfectly suited to a duet.
Released in March 2023, it was also used as the theme song for the drama “Numaru.
Minato Ward High School Girls.” It went viral on TikTok, so it’s widely known; plenty of people want to hear performers who can sing it well.
If you can clearly distinguish between the parts sung in chest voice and those in falsetto, you’ll deliver an even more polished performance.