iiONDO Members Profile

iiONDO Members Profile and Facts

iiONDO (イイオンド) is an upcoming eight-member Japanese boy group under STARDUST PROMOTION. The members are Koki Mimura, Shumpei Hata, Katsugu Morimoto, Yumeto Takahashi, Ryusei Miyamoto, Haruto Ohno, Soju Hori, and Rihito Sando. They were formed through the audition program EBiDAN THE AUDITION 2026. They’re set to debut on August 7, 2026, with the single, “はつ恋ONDO”.

Group Name Meaning: Aiming to be a presence that warms everyone’s hearts (温度 / ONDO) and leads all of Japan by taking the initiative (音頭 / ONDO).
Official Greeting: “Hello, we are iiONDO!”

iiONDO Official Fandom Name: N/A
iiONDO Official Color: N/A

iiONDO Official Logo:

Official SNS:
Website: iiondo.com
Instagram: @iiondo_official
X: @iiondo_official
TikTok: @iiondo_official
YouTube: iiONDO

iiONDO Member Profiles:
Koki Mimura

Stage Name: Koki Mimura (三村航輝)
Birth Name: Mimura Koki (三村航輝)
Position(s): N/A
Birthday: April 12, 2008
Zodiac Sign: Aries
Chinese Zodiac Sign: Rat
Height: 164 cm (5’5″)
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Japanese
Representative Color: Blue
Instagram: @mimu_360412
X: @koki_mimura36
TikTok: @mimu360412

Koki Mimura Facts:
– Koki was born in Tokyo, Japan.
– He has an older sister.
– He can speak Japanese and English.
– Koki lived in the United Kingdom and the Netherlands until he was 7 years old.
– Specialties: Going roller-skating, hair, and makeup.
– Hobbies: Eating sweets and shopping.
– He’s a former member of Go!Go!Kids (2022-2025).
– He is a former trainee at STARTO ENTERTAINMENT.
– Koki can play the piano.
– He debuted as an actor in the drama Tokuso 9 Season 6 in 2023 as Naoki Asawa.
– He appeared in Hey! Say! JUMP‘s music video “Your Song”, King & Prince‘s music video “We are young”, and 20th Century‘s music video “あなたと”.

Shumpei Hata

Stage Name: Shumpei Hata (畑駿平)
Birth Name: Hata Shumpei (畑駿平)
Position(s): N/A
Birthday: May 25, 2009
Zodiac Sign: Gemini
Chinese Zodiac Sign: Ox
Height: 172 cm (5’7″)
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Japanese
Representative Color: Green
Instagram: @shumpei_hata_official

Shumpei Hata Facts:
– Shumpei was born in Hyogo, Japan.
– Specialties: Kendo, Hyakunin Isshu, singing, and dancing.
– Hobbies: Watching movies, making Japanese sweets, and solving puzzles.
– Shumpei has an certification in Kendo 2nd dan.

Katsugu Morimoto

Stage Name: Katsugu Morimoto (守本勝倶)
Birth Name: Morimoto Katsugu (守本勝倶)
Position(s): N/A
Birthday: January 20, 2010
Zodiac Sign: Aquarius
Chinese Zodiac Sign: Ox
Height: 175 cm (5’9″)
Weight: N/A
Blood Type: A
MBTI Type: N/A
Nationality: Japanese
Representative Color: Purple
Instagram: @katsugu.morimoto_official

Katsugu Morimoto Facts:
– Katsugu was born in Okinawa, Japan.
– His shoe size is 27 cm.
– He has a 1st dan black belt in karate.
– Katsugu has an certification in Eiken Pre-2.
– Hobbies: Ice hockey and stage combat.

Yumeto Takahashi

Stage Name: Yumeto Takahashi (髙橋夢人)
Birth Name: Takahashi Yumeto (髙橋夢人)
Position(s): N/A
Birthday: March 23, 2010
Zodiac Sign: Aries
Chinese Zodiac Sign: Tiger
Height: 171 cm (5’7″)
Weight: N/A
Blood Type: O
MBTI Type: N/A
Nationality: Japanese
Representative Color: Pink
Instagram: @yumeto_takahashi_official

Yumeto Takahashi Facts:
– Yumeto was born in Osaka, Japan.
– He speaks with a Kansai dialect.
– Specialties: Kendama, eating ramen quickly, and dancing.
– Hobbies: Listening to music, watching movies, futsal, and sleeping.
– His favorite fruits are strawberries.
– He debuted as an actor in the drama 君となら恋をしてみても (Kimi to Nara Koi wo Shite Mite mo) in 2023.

Ryusei Miyamoto

Stage Name: Ryusei Miyamoto (宮本琉成)
Birth Name: Miyamoto Ryusei (宮本琉成)
Position(s): N/A
Birthday: December 2, 2010
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: Tiger
Height: 167 cm (5’6″)
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Japanese
Representative Color: Yellow
Instagram: @ryusei_miyamoto_official

Ryusei Miyamoto Facts:
– Ryusei was born in Chiba, Japan.
– Specialties: Talking about Pokémon, soccer, and dancing.
– Hobbies: Fishing, cooking, origami, and gaming.
– Ryusei has spoken about Pokémon since he was 2 years old.
– He has been dancing ever since he was 5.
– Ryusei has played soccer since the age of 4.
– He’s a former member of BOYZTERIOS (2024-2025) and BATTLE BOYS 7th SAKURA (2025-2025).

Haruto Ohno

Stage Name: Haruto Ohno (大野遥斗)
Birth Name: Ohno Haruto (大野遥斗)
Position(s): N/A
Birthday: January 15, 2011
Zodiac Sign: Capricorn
Chinese Zodiac Sign: Tiger
Height: 177.5 cm (5’10”)
Weight: N/A
Blood Type: O
MBTI Type: N/A
Nationality: Japanese
Representative Color: Light Blue
Instagram: @haruto_ohno_official

Haruto Ohno Facts:
– Haruto was born in Saitama, Japan.
– His shoe size is 27 cm.
– Specialties: Dancing and singing.
– Hobbies: Collecting stationery, listening to music, camping, soccer, gaming, and gymnastics.
– He’s a former member of CZ’21 (2021-2022), CZ’22 (2022-2023), Last Forever (2024-2025), and BATTLE BOYS 7th SAKURA (2025-2025).
– He debuted as an actor in the drama 仮面ライダー聖刃 (Kamen Rider Saber) (2020) as Shindo Rintaro.

Soju Hori

Stage Name: Soju Hori (堀蒼寿)
Birth Name: Hori Soju (堀蒼寿)
Position(s): N/A
Birthday: October 3, 2011
Zodiac Sign: Libra
Chinese Zodiac Sign: Rabbit
Height: 167 cm (5’6″)
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Japanese
Representative Color: White
Instagram: @soju_hori.official

Soju Hori Facts:
– Soju was born in Hyogo, Japan.
– Specialties: Tap dancing, vocal music, and calligraphy.
– Hobbies: Gaming and all kinds of sports.

Rihito Sando

Stage Name: Rihito Sando (三戸琳仁)
Birth Name: Sando Rihito (三戸琳仁)
Position(s): Youngest
Birthday: November 23, 2011
Zodiac Sign: Sagittarius
Chinese Zodiac Sign: Rabbit
Height: 170 cm (5’6″)
Weight: N/A
Blood Type: N/A
MBTI Type: N/A
Nationality: Japanese
Representative Color: Red
Instagram: @rihito_sando_official

Rihito Sando Facts:
– Rihito was born in Tokyo, Japan.
– His shoe size is 28 cm.
– Specialties: Dancing and swimming.
– Hobbies: Collecting figures, skateboarding, and fishing.
– Rihito started swimming when he was 6 years old.

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For reference on MBTI types:
E = Extroverted, I = Introverted
N = Intuitive, S = Observant
T = Thinking, F = Feeling
P = Perceiving, J = Judging

Made by: LIKEYLIKEY_

Who is your favorite iiONDO member? Do you know more facts about them? Feel free to comment below. 🙂