Seiko Oomori Popular Songs Ranking [2026]

Unpatriotic HeroOmori Seiko11rank/position

Seiko Oomori 'Unpatriotic Hero feat. Noko (Shinsei Kamattechan)' Music Video

This is a collaborative song by Seiko Oomori and Shinsei Kamattechan.

The lyrics were written by Seiko Oomori, and the music was composed by Shinsei Kamattechan.

Before this track was completed, a song called “POSITIVE STRESS” had been created, and it seems that Tetsuya Komuro was the one who composed it.

JUSTadICEOmori Seiko12rank/position

Seiko Oomori 'JUSTadICE' Music Video [TV Anime Black Clover 7th Cour Opening Theme]

Seiko Oomori is a superstar singer from Matsuyama, Ehime Prefecture.

In addition to her solo work, she performs as part of Oomori Seiko & THE Pink Tokarev and the idol group ZOC, captivating audiences with immense charisma and overwhelming performances.

Her shows are highly addictive, and many artists and idols have been influenced by her.

While she’s strongly associated with the underground scene at live houses in Koenji, Tokyo, she’s actually from Ehime.

She’s truly one of the stars born of Shikoku.

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Murakami Shinpei

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TOKYO BLACK HOLEOmori Seiko13rank/position

Seiko Omori “TOKYO BLACK HOLE” Music Clip

Her live performances unfold with a raw, emotional intensity that fully justifies her “passionate performer” tagline, and I felt this song would shine even more in that setting.

It’s a track whose shocking lyrics leave a powerful impression.

The curse is light blue.Omori Seiko14rank/position

Seiko Oomori – The Curse Is Light Blue @ Seiko Oomori × Dotsuitarunen

This is a song included on singer-songwriter Seiko Omori’s first album.

The lyrics hint at a theme of a man and woman who part ways in spring.

It’s a track I especially recommend to anyone who might find themselves in the same situation as they start a new chapter in life.

RudeOmori Seiko15rank/position

Seiko Omori 'Rude' Music Video [YouTube 'Street Talk Channel – Please Tell Me About Your Life' Theme Song]

Seiko Oomori began her career as a solo singer-songwriter and now actively produces idols and writes songs for other artists.

She’s also known for being a member of the idol group ZOC, which she herself produces.

The greatest appeal of her music lies in the lyrics, crafted from her unique worldview.

From “Rude,” an anthem for life, to many other tracks that strike a chord with listeners, her songs resonate deeply.

Another major draw is the catchiness of her melodies.

In particular, the melody line of one of her signature songs, “Zettai Zetsubou Zekkouchou,” is guaranteed to stick in your head after just one listen!

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Hane Keisuke

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Girl No. 3Omori Seiko16rank/position

Seiko Oomori – Girl No. 3 @ Mori, Michi, Ichiba 2016

This song, with its emotionally captivating performance, is included on the second album “Zettai Shoujo,” released in 2013.

The lyrics may carry a special meaning, but don’t they also leave room for each listener to imagine and make them their own?

If you can’t use magicOmori Seiko17rank/position

Seiko Oomori “If I Can’t Use Magic” PV

Magic If I Can’t Use It depicts the worries and anxieties that suddenly visit us amid otherwise ordinary days.

It is the title track from singer-songwriter Seiko Oomori’s 2013 album, an artist known for songs crafted from a distinctive point of view.

Built simply from acoustic guitar, piano, and vocals, the sound is straightforward yet deeply moving.

The subtly ominous band arrangement, resonating alongside lyrics that convey an unsteady heart, leaves a strong impression.

Please take in this poignant, piercing message that captures the feelings of when everything starts to feel unbearable.

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mutō

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IDOL SONGOmori Seiko18rank/position

Seiko Omori "IDOL SONG" Music Video

This is a song by Seiko Omori about sweet, dreamy-cute idols.

It’s cheerful, but it also contains a bit of bite.

Various idol catchphrases and nicknames are sprinkled throughout, and the word “little sister” (imouto) also appears in the lyrics.

SHINPINOmori Seiko19rank/position

Seiko Oomori “SHINPIN” 2016.12.21 at LOFT-PLUS ONE

This song features lyrics themed around Tokyo that leave a strong impression.

While it sings about the self-deprecating, twisted parts within oneself, it still instills a feeling that you just have to push forward.

The emotionally charged live performances are especially striking and let you savor her true appeal.

hayatochiriOmori Seiko20rank/position

Seiko Oomori & THE Pink Tokarev “hayatochiri” Music Clip

This song is by Seiko Oomori & THE Pink Tokarev, a band formed around the concept of performing Seiko Oomori’s songs with a full band setup.

It recreates the lyrics and worldview born from her unique sensibility through a rock sound—powerful, yet somehow tinged with vulnerability.