Girls' Generation-HRS, a unit more commonly known as HyoRiSoo, successfully captured the audience's attention with their performance on stage at the 2026 CassCool Festival on Saturday, August 22, 2026. The trio, consisting of Hyoyeon, Yuri, and Sooyoung, appeared in a coordinated blue-red-white concept reminiscent of Tommy Hilfiger, complete with crop tops and matching loose denim pants.
A number of photos capturing their moments together backstage were widely shared on social media, ranging from selfies of the three of them to group photos with supporting dancers. Their performance at the CassCool Festival was a special moment as it marked HyoRiSoo's first festival stage before their official debut at the end of August 2026.











