2019–present: Debut, Nostrum, lineup changes, "Let's Go For It"
In 2019, from November 17 to 22, the members were revealed each day in the following order: Bum Jun, Jung Hyun, Ji Seob, Hyun Woong, and Ho Jin. It was revealed that the band will be a collaboration between Morph and GOGO2020.
The band officially made their debut on January 14, 2020 with the EP We Tuzi:. They opened their fan cafe two days later. To promote their EP, they went on various music shows including Simply Kpop and M Countdown.
On April 23, 2020, 2Z announced on their Twitter the preorder event to buy signed CDs of their then upcoming second EP Nostrum. They released the track list on April 28. The album preview was released on April 30 and their showcase was held on May 4 with the video being released the next day. The group released their second EP on May 5.
2Z released their first digital single "Let's Go For It" on August 1, 2020.
|Bum Jun (범준)||Leader, Drums||2020–present|
|Ho Jin (호진)||Main Vocalist||2020–present|
|Ji Seob (지섭)||Guitar, Sub Vocalist||2020–present|
|Jung Hyun (정현)||Bass, Maknae||2020–present|
|Hyun Woong (현웅)||Rap||2020|
- Act1 (2021)
- "실종아동 찾기 Part 4 '무지개'" (2021)
- "The Tasty Florida OST Part.4" ("All I Need") (2021)
- Plz Luv Me Again OST (2021)
- They consist of both idols and fashion models.
- Their average height is 186 cm.
- Hyun Woong was a member of the boy group 14U.