ONE OR EIGHT member introduction! Thorough explanation of age, height, birthday, and office

ONE OR EIGHT(ワンオアエイト)メンバー紹介!年齢・身長・誕生日・事務所まで徹底解説

On July 15, 2026, the currently popular group "ONE OR EIGHT" released the pre-release single "YANKEE SQUAT" ahead of their 1st EP "EN-GÏNE"!

We are an 8-member male group made up of extremely talented Japanese men.

Our members are talented people, including those from ``PRODUCE 101 JAPAN SEASON 2'' and those who have experience as backup dancers for famous artists.

In this article, we will introduce the member profiles and charms of ONE OR EIGHT in detail.

We “BirthdayJAPAN” is an advertising agency that supports Oshi Advertising® (birthday/support advertising).

Our company isOshii advertising support record exceeds 7,000 (as of September 2026), we have helped many fans to realize their desire to support us!
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What is ONE OR EIGHT?

ONE OR EIGHT

Source

ONE OR EIGHT is a group that was selected through an audition and just debuted in 2024.

We are a group of 8 members, all of whom are Japanese.✨

Here, we will dig deeper into ONE OR EIGHT.♪

📱ONE OR EIGHT's SNS list📱
🔗Official website
🔗Instagram
🔗TikTok
🔗YouTube
🔗X
🔗Facebook
🔗Weibo
🔗bilibili
🔗Douyin

Global debut on August 16, 2024!

ONE OR EIGHT is a big hit manufacturer.The song was co-produced by OneRepublic's Ryan Tedder and David Stewart, who worked on BTS' Dynamite.Don’t Tell Nobody” made its global debut on August 16, 2024!

It is a song suitable for a debut, as it contains a strong will to challenge the world.

In addition, "KAWASAKI", which was released before the debut, exceeded 10 million views in just 10 days after its release.😳

It can be seen that they were attracting a lot of attention all over the world even before their debut!

Meaning of the group name “ONE OR EIGHT”

ONE OR EIGHT is active on the world stage.

The group name is derived from the Japanese idiom "All or nothing (Ichika Bachika)Derived from ``I will.

In addition, with the tagline "BET ON YOURSELF",It is said that Japan will take on the world in an all-or-nothing contest.It has meaning.

Furthermore, since all members are Japanese, the essence of Japan's international phone number "+81" has been incorporated.

ONE OR EIGHT members are selected by audition

ONE OR EIGHT is “WARPs DIG” sponsored by avex.” is a boy group that was born from an audition.

A new member, NEO, joins the seven people selected in the battle-type audition “WARPs DIG”, we made our debut as an 8-member group.

``WARPs DIG'' also attracted attention as a documentary that followed the growth of the members as they took on various challenges during a 365-day battle-style audition.

🔗Click here if you want to check out the audition “WARPs DIG”

Members from Nippon 2 also belong to the group.

Some of the members of ONE OR EIGHT are former members of "PRODUCE 101 JAPAN SEASON 2" (commonly known as Nippu 2).

That isNEOIt is.

NEO finished 85th in Nippon 2, and was unable to advance to the main event.

However, he later joined ONE OR EIGHT and made his long-awaited debut.✨

What is the relationship between ONE OR EIGHT and XG?

On the internet, you can see various comments about ONE OR EIGHT and XG, such as "Are they younger brothers?"

However, as of now, there has been no official mention of the relationship between the two groups.

We will add any new announcements from the official website in the future.

Which agency does ONE OR EIGHT belong to?

ONE OR EIGHT is affiliated with Japan's largest comprehensive entertainment company, ``AVEX.''

Furthermore, in preparation for overseas expansion, we will partner with major American record company Atlantic Music Group in May 2025.Global major contractconcluded.

We are expanding our activities not only in Japan but also around the world.😉

ONE OR EIGHT member profiles! Summary of age, height, and birthday

one or eight

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Here we introduce the profiles of eight members.♪

Find your favorite among the members, each with their own unique charm!

MIZUKI

MIZUKI

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  • Activity name: MIZUKI
  • Real name: Kanai Mizuki
  • Position: Rap person
  • Birthday: August 11th
  • Height: 171cm (*From the profile at the time of audition)
  • Birthplace: Kanagawa Prefecture
  • MBTI: ENFP
  • Member color: light blue🩵

MIZUKI is the oldest member of the group and is in charge of rapping, and is loved by the members as being like "everyone's father."

In the past, he has also worked as a backing dancer for "EXILE" and "Sandaime J SOUL BROTHERS".

Long hair is a trend markAlthough he looks cool at first glance, he is also a mood maker who brightens up the atmosphere with his intelligent word sense.

He has kindness that never forgets to be considerate of those around him, and he has a hidden inner strength.😊

In addition, he has recently become obsessed with the One Piece card game, and is so passionate about it that he even appears in a tournament with members TSUBASA and SOUMA.

He is a member who attracts many people with his low voice and mysterious atmosphere.

RYOTA

RYOTA

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  • Activity name: RYOTA
  • Real name: Ryota Imai
  • Position: Rap person
  • Birthday: December 18th
  • Height: 169cm (*From the profile at the time of audition)
  • Birthplace: Saitama Prefecture
  • MBTI: ENTJ
  • Member color: black🖤

RYOTA is a physical member who loves muscles and is in charge of the group's muscles.

In the past, she has also worked as a backup dancer for Ayumi Hamasaki, and has an overwhelming presence with her high-level dance skills and performances that use her whole body.😳

At first glance, he has a cool, lone wolf-like aura, but when faced with something he likes or is passionate about, he shows his innocent side.

Additionally, I am a dog lover, and I love my three toy poodles.🐶

REIA

REIA
  • Activity name: REIA
  • Real name: Reia Omiya (Reia Omiya)
  • Position: Vocalist
  • Birthday: January 10th
  • Height: 180cm (*From the profile at the time of audition)
  • Birthplace: Aichi Prefecture
  • MBTI: ENFP
  • Member color: Pink 🩷

REIA is a tall and handsome man who won the runner-up prize at "High School Mr. Con 2017" when he was a first year high school student.

While she attracts attention with her outstanding visuals, she also has a natural side to her, and I think there are many fans who are fascinated by this gap.😉

Also, before auditioning for ONE OR EIGHT, she had experience working as a trainee at a Korean entertainment agency.

Because of that experience, he is also good at Korean, and with his overwhelming charm that combines a kind personality, height, and great singing ability, he has captured the attention of many people.

NEO

NEO

Source

  • Activity name: NEO (Neo)
  • Real name: Yoshii Neo
  • Position: Rap person
  • Birthday: June 30th
  • Height: 170cm (*From the profile at the time of audition)
  • Birthplace: Tokyo
  • MBTI: INTJ
  • Member color: purple💜

NEO is the only member of the group who didn't appear in the audition and joined midway through.

Trilingual who is fluent in languages and can freely use Japanese, English, and French.😳

Another great strength is that I am the only one among the members who can produce music!

He is versatile and can compose mainly lyrics, and has captivated many fans with his amazing rap performances.💜

YUGA

YUGA

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  • Activity name: YUGA
  • Real name: Yuga Shibuya
  • Position: Vocalist
  • Birthday: April 11th
  • Height: 170cm (*From the profile at the time of audition)
  • Birthplace: Kyoto Prefecture
  • MBTI: ESTJ
  • Member color: blue💙

YUGA has been a trainee at EXPG and avex artist academy since elementary school, and has worked as a backup dancer for famous artists in the past.

He and his younger brother participated in the audition as the "Shibuya Brothers" and attracted attention.

In addition, she is so obsessed with beauty that she is called ONE OR EIGHT's "skin care manager," and she values skin care on a daily basis.😉

He is the eldest of four children, and despite his manly appearance, he is actually spoiled and shy.😊

However, when he stands on stage, he captivates the viewers with his overwhelming aura and performance power!

TSUBASA

TSUBASA

Source

  • Activity name: TSUBASA
  • Real name: Tsubasa Isozaki
  • Position: Vocalist
  • Birthday: September 22nd
  • Height: 169cm (*From the profile at the time of audition)
  • Birthplace: Tokyo
  • MBTI: ESTP
  • Member color: green (khaki)💚

TSUBASA, who has an attractive, well-shaped face, is in charge of vocals and attracts many people with her easy-going, high-tone voice.✨

During her high school days, she gradually gained confidence in singing, such as performing by herself at school festivals.

He says that the days when he met his best friend and went to karaoke when he was young are the roots of his current musical activities.

TSUBASA has the flexibility to show various expressions depending on the song or stage, such as freshness, mysterious atmosphere, and sexy charm.💚

Contrary to her beautiful appearance reminiscent of a noble cat, she has a soft and gentle personality, and her charm point is the mole under her left eye.🐱

TAKERU

TAKERU

Source

  • Activity name: TAKERU
  • Real name: Takeru Ito
  • Position: Vocalist
  • Birthday: December 20th
  • Height: 158cm (*From the profile at the time of audition)
  • Birthplace: Saitama Prefecture
  • MBTI: INFJ
  • Member color: yellow💛

TAKERU has experience as a SHINee kids dancer and as a backup dancer for Daichi Miura.

I started dancing when I was 3 years old, and from an early age, I dreamed of becoming famous, and after working hard, I finally achieved my dream of making my debut!

Although he is a charming and soothing character of the team, he changes completely when he stands on stage.

With her high-level dance skills and expressiveness, she has an overwhelming presence that attracts viewers.😳

Although he is the smallest of the members, he has the charm of being a drinker and having the best leg strength among the members!

SOUMA

SOUMA
  • Activity name: SOUMA
  • Real name: Iizuka Souma
  • Position: Rap person
  • Birthday: November 10th
  • Height: 177cm (*From the profile at the time of audition)
  • Birthplace: Shizuoka Prefecture
  • MBTI:ESFP
  • Member color: red❤️

SOUMA is the youngest member of the group and a chatty mood maker.

She always entertains those around her, but when she stands on stage, she completely changes and captivates everyone with her overwhelming expressiveness.😳

Due to the influence of her parents, she loved Michael Jackson from an early age, and even danced in nursery school, demonstrating her talent as an entertainer from an early age.

At his elementary school graduation ceremony, he declared, ``I will become a world-famous artist!''

He made his dream come true and debuted as a member of ONE OR EIGHT.

In addition, SOUMA is highly sensitive to trends and has an outstanding fashion sense that allows her to wear any style in her own way.

It attracts many fans with its unique worldview and unique presence.❤️

Introducing ONE OR EIGHT's popular and latest songs!

Here we will introduce ONE OR EIGHT's charming songs, from popular songs to the latest songs.♪

Please pay attention to ONE OR EIGHT's future activities as they continue to challenge the world with their unique style!

TOKYO DRIFT

This song is the lead song "TOKYO DRIFT" from the 1st mini album "GATHER" released on January 28, 2026.

This song is an official sample of "Tokyo Drift" by the hip-hop group "TERIYAKI BOYZ" released in 2006.It is a song that reinterprets the rush of Tokyo with a modern sound.

It quickly spread mainly on SNS such as TikTok, and attracted a lot of attention, with a total of approximately 30 million views recorded within a week of its release!

Don't Tell Nobody

Next we will introduce:ONE OR EIGHT's debut song "Don't Tell Nobody".

Produced by hitmaker Ryan Tedder of OneRepublic, the song is an energetic dance-pop number.

KAWASAKI

"KAWASAKI" was released as a pre-debut performance video.

It is a popular song that has been played over 10 million times in just 10 days since its release, and instantly spread the existence of ONE OR EIGHT to the world.

The dance performance, which is performed to the impressive sound of motorcycles and heavy bass, leaves a strong impact on the viewers.

This is a song that symbolizes ONE OR EIGHT, who are attracting attention from a different demographic with their overwhelming skills and unique style.✨

[Latest song] YANKEE SQUAT

The music video for the new song “YANKEE SQUAT” will be released on July 15, 2026!

As the title suggests, this song has the motif of "Yankee sitting" and is a song that combines ONE OR EIGHT's unique "delinquent aesthetics".

The choreography incorporates Yankee sitting, and Japanese culture is incorporated throughout the music video.

The unique worldview that brings Yankee culture to the forefront is one of the highlights.😊

Let's support your favorite with our favorite advertisement (birthday/support advertisement)!

There are many ways to convey your daily gratitude and thoughts to Oshii.💌

One of the things I would like to introduce is "Oshi Ads (Birthday/Support Ads)" where fans support their favorites.

Here, we will introduce the push advertisement (birthday/support advertisement) in detail.😊

What is a push advertisement (birthday/support advertisement)?

Oshii advertisements are advertisements for fans to support their favorites.

It is one of the push activities culture that started in Korea.BirthdayAlso called advertisements, support advertisements, and birthday advertisements.

Fans from all over the world who want to support their favorites and celebrate their birthdays and anniversaries voluntarily place non-commercial advertisements.🎁

Although it originated in Korea, the target audience is not limited to K-POP, but has expanded to a wide range of fields such as Japanese actors, idols, VTubers, YouTubers, and e-sports.

ONE OR EIGHT’s recommendation advertisement (birthday/support advertisement) example

Here,BirthdayIntroducing examples of ONE OR EIGHT push advertisements (birthday/support advertisements) that JAPAN actually supported.♪

If you are thinking about running push ads (birthday/support ads), please use this as a reference.

[Poster Advertisement] NEO

ONE OR EIGHT NEO
  • Advertising media: Transportation advertising B0 poster advertising
  • Period: 2026/6/26-2026/7/02
  • Station: Tokyu Shibuya Station Toyoko Line
  • 🔗media page
  • 🔗Case study page

[Poster Advertisement] NEO

ONE OR EIGHT NEO
  • Advertising media: Transportation advertising B1 poster advertising
  • Period: 2026/6/29-2026/7/05
  • Station: Osaka Metro Namba Station
  • 🔗media page
  • 🔗Case study page

So far, we have introduced examples of ONE OR EIGHT's promotional advertisements (birthday/support advertisements)!

BirthdayIn addition to ONE OR EIGHT, JAPAN supports various genres of push advertisements (birthday/support advertisements).

If you would like to know more examples, please refer to our past achievements.😊

Make it come true with your friends with “Oshikura Fan”! Dream Push Advertisement (Birthday/Cheering Advertisement) Project

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What I would like to introduce to such people is “Oshikura fan”.

What is Oshikurafan?

「Individuals launch and plan projectsA service where supporting people donate money to support advertising (birthday/support advertising).」

That's it!

A major benefit is that by pooling support funds among people who agree with the project, it is possible to issue large-scale advertisements that would be difficult to do alone.

BirthdayThis service operated by JAPAN provides full support from project launch to fund collection and management, advertising space arrangement, design production, and return shipping.💁

It is also attractive that the donations collected can be used to plan advertisements (birthday/support advertisements).

So far, club fans such as "G-DRAGON", professional e-sports team "REJECT", and VTuber "Mashiro Nagino" have achieved the target amount and promotion advertisements (birthday/support advertisements) have been carried out!

Oshikura fan

Even if you are a first-timer and don't know where to start, our dedicated staff will carefully support you.🎶

In the unlikely event that the target amount is not reached, there will be no fees and a full refund will be given to supporters, so don't worry.

Also, “I want to be a supporter rather than a project founder.If you have any questions about Oshikura fans, please feel free to contact us as we offer free chat and phone consultations on the official LINE!

「I want to know more about Oshikura fans!”, please take a look here!

We will introduce in detail the types of advertisements that can be published on Oshikura Fan and the process to achieve them.♪

Oshikura fan

Questions about ONE OR EIGHT

What kind of group is ONE OR EIGHT?
ONE OR EIGHT is an eight-member Japanese boy group that made its global debut on August 16, 2024. Formed mainly by members selected through the battle-type audition "WARPs DIG", they have high performance skills and gorgeous looks.
Please tell us about the composition of the members of ONE OR EIGHT.
ONE OR EIGHT is made up of eight members: MIZUKI, RYOTA, REIA, NEO, YUGA, TSUBASA, TAKERU, and SOUMA.
Please tell us about the relationship between ONE OR EIGHT's agency and XG.
ONE OR EIGHT's agency is avex, a comprehensive entertainment company in Japan. Also, there has been no official announcement regarding the relationship with XG.

Summary

This time, we introduced the popular male group ONE OR EIGHT.💌

All eight members are so attractive that you can't help but admire them.😊

I would be happy if I could convey the charm of ONE OR EIGHT even just a little bit through this article!

Additionally, if you are concerned about push ads (birthday/support ads), we have a support system in place so that even first-time users can use them with confidence.

Please feel free to contact us on LINE✨

BirthdayLeave it to JAPAN!

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Isn't there a lot of people who thought so?✨

On the other hand, some people may feel that ``But Oshii Advertising® seems difficult...'' or ``I'm worried about the procedure...''

In such a case, pleaseBirthdayPlease contact JAPAN!

BirthdayIf you register with JAPAN's official LINE, any questions you may have regarding Oshii Advertising® will be answered immediately via auto-response chat!

Additionally, you can chat with our staff or consult over the phone, so even first-time users can use our service with confidence.📞

Consultation about Oshi Advertising® → media arrangement → design production → post-posting report can all be completed with just LINE, so feel free to add us as a friend!

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For those who are thinking, ``I want to try it myself,'' there are many posts that will surely be helpful!

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