This is the reason Lee Seung Gi was considered unprofessional and canceled his concert

Newsdelivers.com, Insertlive –

Lee Seung Gi, a singer and actor from South Korea, canceled concerts in three cities in the United States after his last concert drew criticism. Human Made, Lee Seung Gi’s agency, explained that the reason the concert was canceled was due to circumstances related to the concert hall. However, many netizens speculate that this is not the main reason the concert was cancelled.