The girl group 'GFriend' comeback Showcase was held at Yes24 Live Hall in Gwangjin-gu, Seoul on the afternoon of the 30th. GFriend SinB is attending the Showcase.
About SinB
Hwang Eun-bi, better known by her stage name SinB, is a South Korean singer, dancer and actress. She is known for being a former member of South Korean girl group GFriend and a current member of the trio Viviz.
 Wikipedia