★ exo — 엑소

→ debuted 2012 with 'mama'

↳ 9th march

→ 9 members & 3 ex-members

★ monsta x — 몬스타 엑스

→ debuted 2015 with 'trespass'

↳ 14th may

→ 7 members

★ seventeen — 세븐틴

→ debuted 2015 with 'adore u'

↳ 26th may

→ 13 members