For SEVENTEEN, a group that has built much of its identity around the chemistry and synchronized performances of all 13 members, the looming absence of eight members due to mandatory military service poses an unusual challenge. Beginning in October, only five members will be available for activities as eight are either currently fulfilling their military duties or are set to begin service. The scale of the absence could be particularly noticeable for SEVENTEEN. Since its debut, the group has emphasized the identity created by all 13 members performing together. Last month, all 13 members renewed their contracts with Pledis Entertainment for a second time, reaffirming their commitment to remaining together as a group. SEVENTEEN debuted in 2015 and first renewed its contracts in 2021, with no member leaving the agency in either round. The group's identity has long been closely tied to its 13-member lineup. Since their debut, the members have worn matching team rings, while their performances have become known for tightly synchronized choreography involving all members. Some productions hav