★ nct — 엔시티

→ debuted in 2016

↳ nct 127 with 'fire truck'

↳ nct u with 'the 7th sense'

↳ nct dream with 'chewing gum'

→ 15 members ; split in 3 units

★ day6 — 데이식스

→ debuted 2015 with 'the day'

↳ 7th september

→ 5 members & 1 ex-member

★ got7 — 갓세븐

→ debuted 2014 with 'got it?'

↳ 16th january

→ 7 members

★ astro — 아스트로

→ debuted 2016 with 'spring up'

↳ 23th february

→ 6 members

★ 24k — 투포케이

→ debuted 2012 with 'hurry up'

↳ 6th september

→ 6 members & 5 ex-members