Han Sun-hwa celebrates 'x1 PREMIER SHOW-CON' with a photo taken with han seung-woo in the waiting room on his 28th day. "han seung-woo is a younger brother of Han Sun-hwa, who challenged Mnet 'Produce x101' and was selected for the final 11 and debuted to x1. x1 held a debut ceremony on the 27th at Gocheok Sky Dome in Guro-gu, Seoul with a showcase and concert combined.
Han Sun-hwa also posted a photo of all x1 members in the Shocon waiting room and left a message called 'brother chance'.
kim eun-gu
About han seung-woo
Han Seung-woo, known mononymously as Seungwoo, is a South Korean singer-songwriter, rapper, dancer and actor. He debuted as a member of South Korean group Victon in 2016. In 2019, he finished third on Produce X 101 and became a member of X1. He debuted as a solo artist in August 2020 with the extended play Fame.
 Wikipedia