O : The 2nd Asia Tour ( stylized as TVXQ !

The 2nd Asia Tour Concert `` O '' ) , was the second Asia-wide concert tour Traveling ( third overall ) by South Korean pop group TVXQ , launched Process_start in support Supporting of the group 's third Korean studio album , `` '' O '' -Jung.Ban.Hap . ''

Selling Commerce_sell out almost all shows in arenas and stadiums across Asia throughout 2007 and 2008 , the O Tour was TVXQ 's most commercially successful international concert tour Traveling with an audience of 390,000 .

The members of TVXQ were presented Presence as warriors of peace , descending to earth to protect Preventing_or_letting humanity from war and corruption .

The setlist was mostly composed Collaboration of songs from TVXQ 's first three studio albums .

The South Korean pop duo TVXQ , known as in Japan , have embarked Process_start on eight Japanese concert Social_event tours Traveling .

The South Korean pop duo TVXQ have embarked Process_start on seven headlining concert tours , one of which has been worldwide , and ten others that were based exclusively in Japan .

TVXQ originally debuted Process_start as a five-member group in December 2003 , with members U-Know Yunho , Max Changmin , Hero Jaejoong , Micky Yoochun , and Xiah Junsu .

In January 2011 , TVXQ restarted Process_start their activities as a duo , with remaining members Yunho and Changmin .

TVXQ 's international concert tours often overlapped Motion_directional with their Japanese concert tours .