In February 2023, a group of young, multinational male trainees pitted their talents against one another in the music-themed reality TV show “BOYS PLANET.” The top nine competitors in the final overall rankings were selected to join a brand-new all-male K-pop group named ZEROBASEONE. These were Kim Ji Woong, Zhang Hao, Sung Han Bin, Seok Matthew, Kim Tae Rae, Ricky, Kim Gyu Vin, Park Gun Wook, and Han Yu Jin.