A looming split inside K-pop group ZEROBASEONE is igniting intense debate among fans, after four members opted not to extend their contracts and instead prepare for a separate debut — potentially setting up a direct showdown with their former bandmates. On Wednesday, a representative from YH Entertainment told Xportsnews that ZEROBASEONE members Zhang Hao, Ricky, Kim Gyuvin and Han Yujin are preparing to debut as a new group. While the agency did not confirm specific details, local reports said the quartet is targeting a May 26 debut under the name “N Double.” The move comes as ZEROBASEONE, a nine-member project group formed through Mnet’s survival show “Boys Planet” in 2023, approaches the end of its originally planned two-and-a-half-year run. The group recently extended its activities by two months, with promotions now set to conclude in March. YH Entertainment said in January that it had agreed with the four members to “take time to carefully prepare for their next steps based on mutual trust,” adding that it is “reviewing various directions” to help each artist m