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Debut Date May 4, 2016
Status Active
Fandom Fans
I.O.I

I.O.I was an iconic K-pop group that captured the hearts of fans through their journey on Mnet's Produce 101 survival reality show. Comprised of eleven talented members from various entertainment companies, they debuted with the mesmerizing mini album "Chrysalis" on May 4, 2016. Their vibrant energy and unique charm quickly made them a sensation in the K-pop world, leading to a year of unforgettable performances and memories. Despite their disbandment in January 2017, the legacy of I.O.I lived on as fans eagerly anticipated a reunion in December 2019. Unfortunately, unforeseen circumstances caused the reunion to be postponed, leaving many disappointed. However, on the group's 5th debut anniversary in 2021, most of the members came together for a special livestream event, reminiscing about their time together and sharing updates on their individual journeys. The bond between the members was still as strong as ever, with Jieqiong even joining via video call to be a part of the celebration.

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Latest I.O.I updates

May 31, 2026 I.O.I Members Sacrificed Income for Reunion Comeback

Members of the reunited group I.O.I revealed that they had to forgo personal income to make their 10-year anniversary comeback possible. Despite financial constraints and uncertainty, the members were determined to create the project. Chungha noted that individual activities are generally more profitable than group promotions.

May 28, 2026 Kang Mina Denies Discord Rumors Among I.O.I Members

Actress Kang Mina has directly addressed and refuted rumors of discord within the I.O.I group. She clarified that the members maintain daily contact and support each other. Mina explained her absence from some reunion schedules was due to prior acting commitments, not internal conflict.

May 26, 2026 Lim Nayoung's In-Ear Monitor Mishap During I.O.I Comeback

A clip of I.O.I member Lim Nayoung wearing her in-ear monitor incorrectly during a performance has touched fans. It was revealed this was her first time using the monitors, which she received as a gift, as the group had no prior promotions. Netizens praised her enduring stage presence.

May 24, 2026 I.O.I Performs on "Inkigayo" Alongside Chart-Topping Artists

I.O.I was among the performers on the May 24 episode of SBS's "Inkigayo." The show featured a variety of artists, including ITZY and LE SSERAFIM, alongside the music program's winner, CORTIS. I.O.I performed their reunion song "Suddenly."

May 23, 2026 I.O.I Featured on "Music Core" During CORTIS's 8th Win

I.O.I performed their song "Suddenly" on MBC's "Music Core" on May 23. The episode also featured other artists like BIGBANG's Taeyang and ITZY. The music show's top prize was awarded to CORTIS for their track "REDRED."

May 23, 2026 Jung Chaeyeon Announces Final Schedule as an Idol

Former I.O.I member Jung Chaeyeon has informed fans that her upcoming appearance on May 23 will likely be her last schedule as an idol. She plans to focus on her acting career, but wanted to do something special for fans during this final idol activity. Her announcement has evoked emotional responses from fans.

May 21, 2026 I.O.I Performs on M Countdown Alongside NMIXX and Taeyang

The May 21 episode of Mnet's "M Countdown" featured a variety of artists, including I.O.I. They performed their songs "Suddenly" and "Where My Girls At." The show also highlighted performances from NMIXX, Taeyang, and many others.

May 17, 2026 I.O.I Members to Appear on "Amazing Saturday" Variety Show

Jeon Somi, Kim Se Jeong, and Kim So Hye from I.O.I will be guests on the upcoming episode of tvN's "Amazing Saturday." A preview shows Jeon Somi playfully bickering with DAY6's Young K. The episode is set to air on May 23.

List of Members

Nayoung

01
  • Birthdate: December 18, 1995
  • Age: 28
  • Zodiac: Sagittarius
  • Birthplace: Gwanak-gu, Seou South Korea
  • Native Name: Korean: 나영
  • Height: 5'7" (171 cm)
  • Position: Leader, Main Rapper, Lead Dancer, Vocalist
  • Chungha

    02
  • Birthdate: February 09, 1996
  • Age: 28
  • Zodiac: Aquarius
  • Birthplace: Ulsan South Korea
  • Native Name: Korean: 청하
  • Height: 5'4" (161 cm)
  • Position: Main Dancer, Lead Vocalist, Rapper
  • Sejeong

    03
  • Birthdate: August 28, 1996
  • Age: 28
  • Zodiac: Virgo
  • Birthplace: Gimje South Korea
  • Native Name: Korean: 세정
  • Height: 5'5" (164 cm)
  • Position: Main Vocalist
  • Chaeyeon

    04
  • Birthdate: December 01, 1997
  • Age: 26
  • Zodiac: Sagittarius
  • Birthplace: Suncheon South Korea
  • Native Name: Korean: 채연
  • Height: 5'6" (166 cm)
  • Position: Vocalist, Visual
  • Zhou Jie Qiong

    05
  • Birthdate: December 16, 1998
  • Age: 25
  • Zodiac: Sagittarius
  • Birthplace: Taizhou, Zhejiang, Shanghai China
  • Native Name: Korean: 결경
  • Height: 5'5" (165 cm)
  • Position: Lead Dancer, Vocalist, Visual
  • Sohye

    06
  • Birthdate: July 19, 1999
  • Age: 25
  • Zodiac: Cancer
  • Birthplace: Seoul South Korea
  • Native Name: Korean: 소혜
  • Height: 5'4" (163 cm)
  • Position: Vocalist, Rapper
  • Yeonjung

    07
  • Birthdate: August 03, 1999
  • Age: 25
  • Zodiac: Leo
  • Birthplace: Gwangmyung, Gyeonggi Province South Korea
  • Native Name: Korean: 연정
  • Height: 5'6" (167 cm)
  • Position: Main Vocalist
  • Yoojung

    08
  • Birthdate: November 12, 1999
  • Age: 24
  • Zodiac: Scorpio
  • Birthplace: Guri, Gyeonggi South Korea
  • Native Name: Korean: 유정
  • Height: 5'2" (157 cm)
  • Position: Lead Vocalist, Lead Rapper, Lead Dancer
  • Mina

    09
  • Birthdate: December 04, 1999
  • Age: 24
  • Zodiac: Sagittarius
  • Birthplace: Icheon South Korea
  • Native Name: Korean: 미나
  • Height: 5'5" (164 cm)
  • Position: Lead Dancer, Rapper, Vocalist
  • Doyeon

    10
  • Birthdate: December 04, 1999
  • Age: 24
  • Zodiac: Sagittarius
  • Birthplace: Gangwon South Korea
  • Native Name: Korean: 도연
  • Height: 5'8" (173 cm)
  • Position: Vocalist, Visual
  • Jeon Somi

    11
  • Birthdate: March 09, 2001
  • Age: 23
  • Zodiac: Pisces
  • Birthplace: Ontario Canada
  • Native Name: Korean: 전소미
  • Height: 5'8" (172 cm)
  • Position: Lead Vocalist, Lead Dancer, Rapper, Center, Face of the Group, Maknae
  • Chaeyeon

    12
  • Birthdate: December 01, 1997
  • Age: 26
  • Zodiac: Sagittarius
  • Birthplace: Suncheon South Korea
  • Native Name: Korean: 채연
  • Height: 5'6" (166 cm)
  • Position: Lead Rapper, Vocalist, Visual, Face of the Group, Maknae at BCHCS and Sub Vocalist, Sub Rapper, Visual, Center, Face of the Group at DIA and Vocalist, Visual at I.O.I
  • Doyeon

    13
  • Birthdate: December 04, 1999
  • Age: 24
  • Zodiac: Sagittarius
  • Birthplace: Gangwon South Korea
  • Native Name: Korean: 도연
  • Height: 5'8" (173 cm)
  • Position: Vocalist, Visual at I.O.I and Lead Vocalist, Lead Dancer, Visual, Center at Weki Meki and Lead Dancer, Lead Vocalist, Visual, Maknae at WJMK
  • Jeon Somi

    14
  • Birthdate: March 09, 2001
  • Age: 23
  • Zodiac: Pisces
  • Birthplace: Ontario Canada
  • Native Name: Korean: 전소미
  • Height: 5'8" (172 cm)
  • Position: Lead Dancer, Vocalist, Visual Maknae at Girls Next Door and Lead Vocalist, Lead Dancer, Rapper, Center, Face of the Group, Maknae at I.O.I and Lead Vocalist, Lead Dancer, Lead Rapper, Maknae at Unnies and Main Vocalist, Lead Dancer, Visual, Maknae at X4
  • Mina

    15
  • Birthdate: December 04, 1999
  • Age: 24
  • Zodiac: Sagittarius
  • Birthplace: Icheon South Korea
  • Native Name: Korean: 미나
  • Height: 5'5" (164 cm)
  • Position: Main Rapper, Main Dancer, Vocalist, Maknae at gugudan and Main Rapper, Main Dancer, Vocalist, Maknae at gugudan SEMINA and Lead Dancer, Rapper, Vocalist at I.O.I and Leader, Main Dancer, Main Rapper, Vocalist at OGUOGU
  • Nayoung

    16
  • Birthdate: December 18, 1995
  • Age: 28
  • Zodiac: Sagittarius
  • Birthplace: Gwanak-gu, Seou South Korea
  • Native Name: Korean: 나영
  • Height: 5'7" (171 cm)
  • Position: Leader, Main Rapper, Lead Dancer, Vocalist at I.O.I and Leader, Main Dancer, Lead Rapper, Vocalist at PRISTIN and Leader, Lead Rapper, Lead Dancer, Vocalist at PRISTIN V and Visual at TEAPARTY
  • Sejeong

    17
  • Birthdate: August 28, 1996
  • Age: 28
  • Zodiac: Virgo
  • Birthplace: Gimje South Korea
  • Native Name: Korean: 세정
  • Height: 5'5" (164 cm)
  • Position: Main Vocalist, Center, Face of the Group at gugudan and Main Vocalist, Face of the Group at gugudan SEMINA and Main Vocalist at I.O.I
  • Yeonjung

    18
  • Birthdate: August 03, 1999
  • Age: 25
  • Zodiac: Leo
  • Birthplace: Gwangmyung, Gyeonggi Province South Korea
  • Native Name: Korean: 연정
  • Height: 5'6" (167 cm)
  • Position: Main Vocalist, Face of the Group, Maknae at Dream Carrier and Main Vocalist at I.O.I and Main Vocalist, Maknae at WJSN
  • Yoojung

    19
  • Birthdate: November 12, 1999
  • Age: 24
  • Zodiac: Scorpio
  • Birthplace: Guri, Gyeonggi South Korea
  • Native Name: Korean: 유정
  • Height: 5'2" (157 cm)
  • Position: Lead Vocalist, Lead Rapper, Lead Dancer at I.O.I and Main Rapper, Main Dancer, Lead Vocalist, Face of the Group at Weki Meki and Main Rapper, Main Dancer, Lead Vocalist at WJMK
  • Zhou Jie Qiong

    20
  • Birthdate: December 16, 1998
  • Age: 25
  • Zodiac: Sagittarius
  • Birthplace: Taizhou, Zhejiang, Shanghai China
  • Native Name: Korean: 결경
  • Height: 5'5" (165 cm)
  • Position: Lead Dancer, Vocalist, Visual at I.O.I and Main Dancer, Vocalist, Visual, Face of the Group at PRISTIN and Main Dancer, Lead Vocalist, Visual, Face of the Group, Maknae at PRISTIN V
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