Wanna One Lai Kuan-lin and Bae Jin Young attending the 2018 Korea Music Festival held at Gocheok Sky Dome in Guro-gu, Seoul on the afternoon of the afternoon are showing great performances.
About Lai Kuan-lin
Lai Kuan-lin, also romanized as Lai Guanlin and better known mononymously as Guanlin, is a Taiwanese rapper, singer and actor based in South Korea and China.
 Wikipedia