"Brother Chance"...Han Sun-hwa, younger brother Han Seung-woo, and Chalks with group X1 on August 31, 2019 Han Sun-hwa X1 +
Han Sun-hwa attends X1 Premier Shocon "brother han seung-woo chance" on August 31, 2019 Han Sun-hwa The Secret X1 +
Han Sun-hwa, 'pro-brother' X1 han seung-woo and chalk "Congratulations brother" on August 31, 2019 Han Sun-hwa X1 +
'debut D-2' x1, title song The Flash' MV Teaser released on August 25, 2019 Performance The Flash X1 +