iON! Members Profile and Facts

iON! (アイオン / あいおん) is a 8-member Japanese girl group under Imaginate, as part of the combined group Heroines. The group currently consists of Uno Yuri, Hanamaru Peco, Hakane Kono, Kurisu Mugi, Kaguya Kurara, Suzumiya Rise, Nakumo Menma, and Tomari Kuria They were formed on April 20, 2025, and made their official stage debut on May 22, 2025, with their debut album, ON!START.

Group Name Meaning: N/A
Official Greeting: N/A

iON! Fandom Name: N/A
Fandom Name Meaning: N/A
iON! Official Colors: N/A

iON! Official Logo:

iON! Official SNS:
X: @iON_idol
Youtube: @iON-HEROINES
Spotify: iOn!

iON! Member Profiles:
Uno Yuri

Stage name: Uno Yuri (宇野ゆり)
Birth Name: N/A
Position: Leader
Birthday: February 22, 2007
Zodiac sign: Pisces
Chinese Zodiac Sign: Pig
Height: 155 cm (5’1″)
Weight: N/A
Blood type: O
MBTI type: ESTP
Nationality: Japanese
Representative color: Red
X: @iON_yuri_
TikTok: @yuri_heroines
Instagram: @yuri_heroines

Uno Yuri Facts:
– She is a founding member.
– She is a former member of the 1st generation of the trainee group HEROINES Kenkyuusei, she graduated on April 6, 2025.
– She looks up to iLife! member Ice.

Kaguya Kurara

Stage name: Kaguya Kurara (伽久耶くらら)
Birth Name: N/A
Position: N/A
Birthday: January 7, 2005
Zodiac sign: Capricorn
Chinese Zodiac Sign: Monkey
Height: 156 cm (5’1.4″)
Weight: N/A
Blood type: O
MBTI type: ENFJ
Nationality: Japanese
Representative color: Purple
X: @iON_kurara_
TikTok: @ion_kurara_

Kaguya Kurara Facts:
– She is a founding member.
– Before joining iOn!, she was a 1st generation member of  Boku wa Mada Shinanai, under stage name Hoshino Seina.
– Her audition name was On-Chan (おんちゃん).
– Her favorite animal is capybara’s.
– She was born in Mie Prefecture.
– Her hobbies are listening to music and eating.
– She used to attend beauty school before debuting in iOn!.
– Her favorite anime’s are Demon Slayer, Basilisk, and The Disastrous Life of Saiki K.
– Her favorite sport is soccer.
– Her older sister is Hamabe Chimu of STAiNY.
– One of her nicknames is Sushi-san.

Nakumo Menma
Stage name: Nakumo Menma (名雲めんま)
Birth Name: N/A
Position: N/A
Birthday: July 11, 2006
Zodiac sign: Cancer
Chinese Zodiac Sign: Dog
Height: 152 cm (4’11.8″)
Weight: N/A
Blood type: B
MBTI type: ENFP
Nationality: Japanese
Representative color: Light blue
X: @iON_menma_

Nakumo Menma Facts:
– She joined the group on October 25, 2025.
– She joined heroines because of iLife!‘s Ice.
– She is a former member of group Yumeutsutsu Syncretism under stage name Inukai Toto.
– She was born in Tokyo.
– She has two dogs.
– She participated in iLife!’s 2025 audition, under name Totoro.
– Her stage name was taken from a character is anime Anohana: The Flower We Saw That Day.
– She is left-handed.
– Her specialties are drawing, eating spicy food, and acting.

Hakane Kono

Stage name: Hakane Kono (儚寧この)
Birth Name: N/A
Position: N/A
Birthday: January 6 (2007 or earlier)
Zodiac sign: Capricorn
Chinese Zodiac Sign: N/A
Height: 155 cm (5’1″)
Weight: N/A
Blood type: A
MBTI type: ISFP
Nationality: Japanese
Representative color: Green
X: @iON_kono_
Tiktok: @ion_kono_

Hakane Kono Facts:
– She is a founding member.
– Before joining iOn! She was a member of trainee group Macaroon Party, She left on November 1st 2024.
– She was born in Ehime Prefecture.
– She loves watching the World Cup.
– She was the fourth member to be announced.

Suzumiya Rise

Stage name: Suzumiya Rise (鈴都りせ)
Birth Name: N/A
Position: N/A
Birthday: September 12
Zodiac sign: Virgo
Chinese Zodiac Sign: N/A
Height: 153 cm (5’0.06″)
Weight: N/A
Blood type: N/A
MBTI type: ENFP
Nationality: Japanese
Representative color: Blue
X: @iON_rise
TikTok: @iOn_Rise

Suzumiya Rise Facts:
– She is a founding member.
– She is a former ZUTTOMOTTO member.
– Her nicknames are Risepi (りせぴ) and Pichi (ぴち)
– Her fandom is called  Rise no Tonari (りせのとなり).
– She is a member of Tenshinranman.

Hanamaru Peco

Stage name: Hanamaru Peco (花丸ぺこ)
Birth Name: N/A
Position: N/A
Birthday: June 18, 2009
Zodiac sign: Gemini
Chinese Zodiac Sign: Ox
Height: 158 cm (5 ft 2.2 in)
Weight: N/A
Blood type: A
MBTI type: ESFP
Nationality: Japanese
Representative color: Orange.
X: @iON_peco_
Tiktok: @iON_peco_

Hanamaru Peco facts:
– She is a founding member.
– She was born in Saitama Prefecture. 
– She was a finalist in iLife!’s 2025 auditions, under the name Babutan.
– She was a competitive swimmer for 12 years.
– She is a former member of IDOL COLLEGE and iTRiP under the name Tomita Karen (富田花怜).
– She can speak English.

Kurisu Mugi

Stage name: Kurisu Mugi (栗栖むぎ)
Birth Name: N/A
Position: N/A
Birthday: December 28, 2009
Zodiac sign: Capricorn
Chinese zodiac sign: Ox
Height: 154 cm (5’0″)
Weight: N/A
Blood type: B
MBTI type: ISFJ
Nationality: Japanese
Representative color: Yellow
X: @iON_mugi
Tiktok: @ion_mugi

Kurisu Mugi Facts:
– She is a founding member.
– She was born in Chiba Prefecture. 
– She was the 5th member announced.
– Her charm point is her deep voice.
– She can play the saxophone.
– Her favorite food is Japanese sweets.
– Her goal is to go on a tour around Japan.

Tomari Kuria 

Stage name: Tomari Kuria (透明くりあ)
Birth Name: N/A
Position: N/A
Birthday: October 10th, 2010 
Zodiac sign: Libra
Chinese Zodiac Sign: Tiger
Height: 171 cm (5’7″)
Weight: N/A
Blood type: B
MBTI type: INFP
Nationality: Japanese
Representative color: White
X: @iON__kuria_

Tomari Kuria Facts:
– She joined iOn! on October 26th 2025.
– She was born in Fukuoka Prefecture.
– She auditioned for iLife! under name Moderu-san.
– She is the tallest member.
– She used to be the youngest member.
– One of her nicknames is Kuria-chan (くりあちゃん).

Kohina Little

Stage name: Kohina Little (小雛りとる)
Birth Name: N/A
Position: Youngest
Birthday: ~2011
Zodiac sign: N/A
Chinese Zodiac Sign: N/A
Height: 146 cm (4’9.5″)
Weight: N/A
Blood type: N/A
MBTI type: N/A
Nationality: Japanese
Representative color: Pink
X: @iON_little_
Tiktok: @ion_little

Kohina Little Facts:
– She joined on September 23, 2026.
– She is the shortest member of the group.
– She auditioned for Non¬Fiction in 2026 under the name Minimamu (みにまむ).

Former Members:
Koharu Nene

Stage name: Koharu Nene (恋春ねね)
Birth Name: N/A
Position: N/A
Birthday: November 12th, 2009
Zodiac sign: Scorpio
Chinese Zodiac Sign: Ox
Height: N/A
Weight: N/A
Blood type: N/A
MBTI type: ESTP
Nationality: Japanese
Representative color: Pink

Koharu Nene Facts:
– She was a founding member.
– She withdrew from the group on December 28, 2025.
– She is a former sub-support member of iLiFE!; she withdrew on December 28, 2025.
– She is a former member of the trainee group HEROINES Kenkyuusei. She was part of the group’s 1st generation and graduated on April 6, 2025.
– She went by the name Sato Nene when she was a member of HEROINES Kenkyuusei.

Osu Kanon

Stage name: Osu Kanon (大須かのん)
Birth Name: N/A
Position: N/A
Birthday: March 27, 2007
Zodiac sign: Aries
Chinese Zodiac Sign: Pig
Height: 154 cm (5’0.06″)
Weight: N/A
Blood type: N/A
MBTI type: INFP
Nationality: Japanese
Representative color: Pink

Osu Kanon Facts:
– She joined on January 9th 2026 as a support member.
– She was born in the Chūbu region.
– She is a member of Tenshinranman.
– her support period ended on September 10th 2026.

Maisen Ekubo

Stage name: Maisen Ekubo (苺川えくぼ)
Birth Name: N/A
Position: N/A
Birthday: April 24
Zodiac sign: Taurus
Chinese Zodiac Sign: N/A
Height: N/A
Weight: N/A
Blood type: N/A
MBTI type: ESFJ
Nationality: Japanese
Representative color: Pink

Maisen Ekubo Facts:
– She joined as a support member on January 10, 2026. Her support period is set to end on September 7, 2026
– She is a fan of Non¬Fic’s Colne.
– She was born in Nara Prefecture.
– She is a Nanakorobi Yaoki member and joined as a founding member.
– Her support period ended on September 7, 2026

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Note 2: Special thanks to the Heroines Wiki for confirmation on Facts HEROINES Wiki, as well as the iOn! Page on the Jpop Wiki for correct translations of profiles.

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Who is your iON! oshimen? Do you know more info about them? Feel free to comment down below. 🙂