At SUNG SI KYUNG’s 2025 year-end concert, HWASA made a surprise appearance, sending the crowd into a frenzy. The unexpected collaboration drew massive cheers from fans, as the two performed HWASA’s new song “GOOD GOODBYE” together on stage. The special performance, blending deep emotion with powerful vocals, left the audience with an unforgettable moment and a lasting impression. #sungsikyung #hwasa #goodgoodbye #kpop 📸 Sources youtube - HANNAHMON | allkpop