한 404 404 (404) was a South Korean Co-ed Group that debuted in 2012. They retired in 2016 with a 2 artist final line-up. Read All General Information International Stage Name : 404 Domestic Stage Name : 404 Aliases : 사공사 Debut Day : 2012-09-24 Group retired : 2016 Groups that are no longer releasing songs are considered retired regardless of their official status. Members 2010201120122013201420152016 Jo InchulJung sehyun Jo Inchul (조인철) Full Name: Jo Inchul Country: South Korea Active period: 2010-2016 Role: Instrumental Jung sehyun (정세현) Full Name: Jung sehyun Country: South Korea Active period: 2010-2016 Role: Vocal,Instrumental Metrics and Achievements 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 : 0+ Brand Physical Sales : 0+ Brand Views : 0+ Images No images yet