Group Wanna One is leaving for San Francisco, USA, via the Incheon International Airport to attend the World Tour and the 'KCON' concert on the afternoon of the 20th.
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