iiONDO Members Profile and Facts
iiONDO (イイオンド) is an upcoming 8-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 Mimura was born in Tokyo, Japan.
– He has an older sister.
– He can speak Japanese and English.
– Koki Mimura 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 Mimura can play the piano.
– He debuted as an actor in the drama 特捜9シーズン6 (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 Hata was born in Hyogo, Japan.
– Specialties: Kendo, Hyakunin Isshu, singing, and dancing.
– Hobbies: Watching movies, making Japanese sweets, and solving puzzles.
– Shumpei Hata 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 Morimoto was born in Okinawa, Japan.
– His shoe size is 27 cm.
– He has a 1st dan black belt in karate.
– Katsugu Morimoto 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 Takahashi 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 Miyamoto was born in Chiba, Japan.
– Specialties: Talking about Pokémon, soccer, and dancing.
– Hobbies: Fishing, cooking, origami, and gaming.
– Ryusei Miyamoto has spoken about Pokémon since he was 2 years old.
– He has been dancing ever since he was 5.
– Ryusei Miyamoto 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 Ohno 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).
– Haruto Ohno 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 Hori 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 Sando was born in Tokyo, Japan.
– His shoe size is 28 cm.
– Specialties: Dancing and swimming.
– Hobbies: Collecting figures, skateboarding, and fishing.
– Rihito Sando 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. 🙂
