한 Gugudan Semina Gugudan Semina (구구단 세미나) was a South Korean Girl Group that debuted in 2018. They retired in 2020 with a 3 artist final line-up. Read All General Information International Stage Name : Gugudan Semina Domestic Stage Name : Pronounce 구구단 세미나 Debut Day : 2018-07-10 Group retired : 2020-12 Groups that are no longer releasing songs are considered retired regardless of their official status. Original group : Gugudan Company/Agency : Jellyfish Entertainment (젤리피쉬 엔터테인먼트) Members 201820192020 NayoungKIM SEJEONGMina Nayoung (나영) Full Name: Kim Nayoung Date of Birth: 1996-11-23 (29 years) Zodiac sign: Sagittarius Country: South Korea Active period: 2018-2020 Role: Leader,Vocal,Rapper KIM SEJEONG (김세정) Full Name: Kim Sejeong Date of Birth: 1996-08-28 (30 years) Zodiac sign: Virgo Country: South Korea Active period: 2018-2020 Role: Vocal,Face Mina (미나) Full Name: Kang Mina Date of Birth: 1999-12-04 (26 years) Zodiac sign: Sagittarius Country: South Korea Active period: 2018-2020 Role: Vocal,Rapper,Dancer,Maknae Metrics and Achievements Success(max 5 stars) : Time since last release : (2018-07-10) Time to Success : Not reached or Indie/Nugu PAKs : 0 Music Show Awards2006+ : 0 Annual Awards : 0 Streaming Weekly Score(Since 2010) : Never ranked in top 100 Billboard weekly Score(Since 2020) : Never ranked in top 200 Physical Sales (Circlechart) : 12.312+ (All data available) Most sold item : SEMINA with 11.225+ sold copies Total Youtube Views : 3.895.561+ Brand Physical Sales : 12.312+ Brand Views : 169.110.356+ Images No images yet