ZER0BASEONE (also known as ZB1) is a South Korean boy group formed on Mnet’s reality show Boys Planet and managed by WakeOne. The nine-member group—Kim Ji-woong, Zhang Hao, Sung Han-bin, Seok Matthew, Kim Tae-rae, Ricky, Kim Gyu-vin, Park Gun-wook, and Han Yu-jin—officially debuted in July 2023 with their EP Youth in the Shade. Quickly rising to prominence, ZB1 sold over two million copies of their debut release, topped major Korean charts, and gained international recognition. Their single In Bloom entered the Billboard Global 200, and the group achieved a Rookie Grand Slam by winning ten domestic rookie awards in their first year. ZER0BASEONE is set to promote as a team for two and a half years.