한 I.O.I I.O.I (아이오아이) was a South Korean Girl Group that debuted in 2016. They retired in 2017 with a 11 artist final line-up and held an Anniversary event in 2026.They have 6 songs among the most popular in Korea. Read All General Information International Stage Name : I.O.I Domestic Stage Name : Pronounce 아이오아이 Debut Day : 2016-05-16 Group retired : 2017-01 Groups that are no longer releasing songs are considered retired regardless of their official status. Anniversary or Special after disband : 2026-05-19 Company/Agency : YMC Entertainment (YMC 엔터테인먼트) Members 20162017 NayoungChaeyeonCHOI YOOJUNGChung haDoyeonKIM SEJEONGKyulkyungMinaSohyeSomiYeonjung Nayoung (나영) Full Name: Im Nayoung Date of Birth: 1995-12-18 (30 years) Zodiac sign: Sagittarius Country: South Korea Active period: 2016-2017 Role: Leader,Vocal,Rapper,Dancer Chaeyeon (채연) Full Name: Jung Chaeyeon Date of Birth: 1997-12-01 (28 years) Zodiac sign: Sagittarius Country: South Korea Active period: 2016-2017 Role: Vocal CHOI YOOJUNG (최유정) Full Name: Choi Yoojung Date of Birth: 1999-11-12 (26 years) Zodiac sign: Scorpio Country: South Korea Active period: 2016-2017 Role: Vocal,Rapper,Dancer Chung ha (청하) Full Name: Kim Chanmi Date of Birth: 1996-02-09 (30 years) Zodiac sign: Aquarius Country: South Korea Active period: 2016-2017 Role: Vocal,Rapper,Dancer Doyeon (도연) Full Name: Kim Doyeon Date of Birth: 1999-12-04 (26 years) Zodiac sign: Sagittarius Country: South Korea Active period: 2016-2017 Role: Vocal KIM SEJEONG (김세정) Full Name: Kim Sejeong Date of Birth: 1996-08-28 (30 years) Zodiac sign: Virgo Country: South Korea Active period: 2016-2017 Role: Vocal Kyulkyung (결경) Full Name: Zhou Jieqiong Date of Birth: 1998-12-16 (27 years) Zodiac sign: Sagittarius Country: China Active period: 2016-2017 Role: Vocal,Dancer Mina (미나) Full Name: Kang Mina Date of Birth: 1999-12-04 (26 years) Zodiac sign: Sagittarius Country: South Korea Active period: 2016-2017 Role: Vocal,Rapper,Dancer Sohye (소혜) Full Name: Kim Sohye Date of Birth: 1999-07-19 (27 years) Zodiac sign: Cancer Country: South Korea Active period: 2016-2017 Role: Vocal,Rapper Somi (전소미) Full Name: Jeon Somi Date of Birth: 2001-03-09 (25 years) Zodiac sign: Pisces Country: South Korea Active period: 2016-2017 Role: Vocal,Rapper,Dancer,Face,Maknae Yeonjung (연정) Full Name: Yoo Yeonjung Date of Birth: 1999-08-03 (27 years) Zodiac sign: Leo Country: South Korea Active period: 2016-2017 Role: Vocal Metrics and Achievements Success(max 5 stars) : Time since last release : 83 Days (2026-06-23) Time to Success : 92 Days PAKs : 1 (7º) 2016. Very Very Very Music Show Awards2006+ : 14 (76°) Most Awarded Song: Suddenly Annual Awards : 2 Streaming Weekly Score(Since 2010) : Score: 8169 (-) Score w/o Collabs: 8080 First Places: 4 (59° - Biggest run: 3 weeks) Times charted: 129 Times charted on top 10: 27 Songs charted: 15 Songs charted on top 10: 6 Most entries in a week: 6 See All Most Streamed songs (Circlechart) : 1. Suddenly 2. Very Very Very 3. Downpour 4. Whatta Man 5. Dream Girls 6. When The Cherry Blossoms Fade 7. Crush 8. Hold On 9. I Love You, I Remember You 10. Knock Knock Knock See All Billboard weekly Score(Since 2020) : Score: 83 (68°) Times ranked: 2 Best place:: 136 See All Physical Sales (Circlechart) : 314.982+ (All data available) Most sold item : MISS ME? with 106.439+ sold copies Total Youtube Views : 326.924.545+ Brand Physical Sales : 616.129+ Brand Views : 2.430.069.309+ Images