Seoul=) = Wanna One Lai Kuan-lin attends a fashion brand signing ceremony in Sangam-dong, Seoul, on Thursday afternoon. December 17, 2018.
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