NINE to SIX (나인투식스; also stylized as 9to6) is the second subunit of the boy group DKZ. They made their debut on May 31, 2023 with the single album "Good to You".
Prior to the announcement of the unit, Jong Hyeong and Min Gyu, along with Tak Jae-hoon, made a special apparence on tvN's drama The Heavenly Idol as members of a group called Nine to Six.[1]
On May 18, 2023, Dongyo Entertainment announced that DKZ's members Jong Hyeong and Min Gyu will be debuting as the group's second unit named NINE to SIX in late May.[2][3] On May 20, they announced that the unit's debut single album, "Good to You", will be released on May 31.[4]