Dancer and actor Cha Hyun Seung made an emotional return to the stage at Waterbomb Seoul 2026 after overcoming leukemia, reuniting with longtime performance partner Sunmi in a powerful show that excited fans.
On July 26, Cha Hyun Seung appeared on the outdoor Global Stage at KINTEX during Sunmi’s performance and joined her for a special duet, SportsKhan reported.
The pair showed the strong chemistry they have built over the years, creating one of the most memorable moments of the event. The performance became even more meaningful as it marked Cha Hyun Seung’s return after completing his recovery from leukemia.
During the show, he displayed his trademark energy, strong dance skills, and healthy appearance, proving that he had regained his strength after a difficult health battle. One of the biggest highlights came when Cha Hyun Seung lifted Sunmi high during their stage, earning loud cheers from the audience.
Their powerful teamwork reminded fans of the connection they have shared since the beginning of Sunmi’s solo career.
Cha Hyun Seung Stuns Fans
According to Koreaboo, following the performance, Waterbomb’s official social media account shared a video of the reunion stage with the message, “This is it! Reunited! Waterbomb Sunmi X Cha Hyun Seung stage.”
The post quickly gained attention as fans celebrated seeing the duo perform together again.
Cha Hyun Seung revealed last year that he had been diagnosed with leukemia while actively pursuing his career.
After months of treatment, he announced his full recovery in December and expressed gratitude for the support he received. He previously shared that the difficult journey had finally come to an end after what felt like an endless battle.
Since recovering, Cha Hyun Seung has continued focusing on his health and career. He has shared his active lifestyle, including taking up boxing, while also continuing his work as an entertainer.
His Waterbomb appearance showed fans that he had returned stronger and ready to perform again.
Cha Hyun Seung first became widely known as Sunmi’s main dancer partner, especially through performances of her solo debut song “24 Hours.” His powerful stage presence later helped him gain recognition through appearances on Netflix programs such as “Single’s Inferno” and “Physical: 100,” as well as through his acting activities.