Zerobaseone
Zerobaseone (Korean: 제로베이스원; RR: Jerobeiseuwon; stylized in all caps; abbreviated as ZB1) is a South Korean boy band formed through Mnet's reality competition Boys Planet in 2023. They are managed by WakeOne. The group is composed of nine members: Kim Ji-woong, Zhang Hao, Sung Han-bin, Seok Matthew, Kim Tae-rae, Ricky, Kim Gyu-vin, Park Gun-wook and Han Yu-jin. They debuted on July 10, 2023, with the extended play Youth in the Shade and will be active for 2 years and 6 months.

Name
Zerobaseone represents the "journey of the nine trainees to be completed as one after their debut". It refers to the "glorious beginning" of the nine members, starting from zero (0) and ending with one (1). And implies the members' commitment to share with their fans the unfinished journey of their group from zero to one. Zerobaseone is abbreviated as ZB1.

History
Formation through Boys Planet
Zerobaseone was formed through Mnet's reality competition show Boys Planet, which aired from February 2 to April 20, 2023. The show brought 98 contestants from around the world, primarily in South Korea, China, Hong Kong, Taiwan, Japan, Thailand, Vietnam, the United States, and Canada, to compete and to debut in a multinational boy group. Out of a pool of 98 contestants, only the top nine would make the final lineup. All members were announced on the finale episode, which was broadcast live on April 20, 2023.Before appearing on the program, several members had already been active in the entertainment industry. Kim Ji-woong was a member of the boy group INX and an active actor who had appeared on multiple web series, such as Kissable Lips and Roommates of Poongduck 304. In 2020, Kim Tae-rae competed in the competitive singing show, Top 10 Student. In 2021, Park Gun-wook competed in the survival reality show, Wild Idol. However, he did not make it into the final lineup of the boy group, TAN.

2023–present: Debut with Youth in the Shade
In April 2023, WakeOne announced that Zerobaseone started to prepare with the goal of debuting in the middle of the year.On May 14, Zerobaseone released a spoiler film Youth in Shade after completing their first group schedule at KCON Japan 2023. The released video only features two members, Zhang Hao and Sung Han-bin, who at the end of the video face each other with a small candle in the middle, then the words 'Youth', 'In The', and 'Shade' appear intersecting. On May 26, WakeOne confirmed that Zerobaseone will debut in July 2023.On June 22, the group's pre-debut reality show Camp Zerobaseone was aired on Mnet. On June 26, the album was reported to have amassed over 780,000 pre-orders within five days, surpassing 1.08 million copies by July 4, setting the record for the highest number of preorders for a K-pop debut album in history. The group debuted on July 10, with the EP Youth in the Shade, and earned their first music show win eight days after their debut on SBS M's The Show aired on July 18. In conjunction with their debut promotion, the group held their first fan concert at Gocheok Sky Dome on August 15 with 18,000 audience in attendance.

Endorsements
On July 13, 2023, Zerobaseone was announced as the first brand models for Bring Green, a South Korean skincare brand.

Members
Kim Ji-woong (김지웅)
Zhang Hao (章昊; 장하오)
Sung Han-bin (성한빈) – leader
Seok Matthew (석매튜)
Kim Tae-rae (김태래)
Ricky (沈泉锐; 리키)
Kim Gyu-vin (김규빈)
Park Gun-wook (박건욱)
Han Yu-jin (한유진)

Discography
Extended plays
Singles
Other charted songs
Filmography
Reality shows
Concerts and tours
Fan concert
Awards and nominations
Notes
References
External links

Official website 
Zerobaseone at Mnet Plus
Zerobaseone's channel on YouTube