한 90 project 90 project (나인티 프로젝트) is a South Korean Co-ed Group that debuted in 2025. They consist of 2 members: Kang Butter and Minseo. 90 Project is a project unit formed by singer-songwriter Minseo and producer/musician Kang Butter. The duo established the team with the philosophical goal of filling the missing "10%" in daily life through accessible, comforting music that listeners can easily digest. Read All General Information International Stage Name : 90 project Domestic Stage Name : Pronounce 나인티 프로젝트 Debut Day : 2025-01-08 (Active) Members 202420252026 Kang ButterMinseo Kang Butter (강버터) Full Name: Kang Yejun Date of Birth: 1998-02-09 (28 years) Zodiac sign: Aquarius Country: South Korea Active period: 2025-present Role: Minseo (민서) Full Name: Kim Minseo Date of Birth: 1996-04-09 (30 years) Zodiac sign: Aries Country: South Korea Active period: 2025-present Role: Vocal Metrics and Achievements Success(max 5 stars) : Time since last release : 552 Days (2025-04-24) 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) : 0+ Total Youtube Views : 32.976+ Total Youtube Likes : 1.287+ Brand Physical Sales : 0+ Brand Views : 51.337.369+ Images No images yet