Tohoshinki debuted Process_start in Japan as a five-member pop group in April 2005 , and held their first Japanese tour Traveling , the Heart , Mind , and Soul Tour Traveling , in 2006 .

From May to July 2009 , Tohoshinki held their fourth and last Japanese tour Traveling as a quintet , The Secret Code Tour , attracting Influence 300,000 fans .

For the tour Traveling 's finale Process_end , Tohoshinki performed Hold in the Tokyo Dome , making them the third Korean music act , and the first Korean pop group , to do so .

After the departure Departing of members Jejung , Yuchun , and Junsu in 2010 , remaining Presence Tohoshinki members Yunho and Changmin did not tour Traveling again until January 2012 , when they held Hold their first concert Social_event tour Traveling as a duo , titled Name_conferral the .

Tohoshinki held Hold their seventh Japanese tour Traveling , the Tree Tour Traveling , in the summer of 2014 , bringing in Bringing an audience of 600,000 people .

Tohoshinki have set Placing numerous attendance records Recording with their concerts Social_event in Japan : they were the first Korean pop group to perform Hold in the Tokyo Dome , the first Korean music act to helm Placing a five-Dome tour Traveling , the first foreign music act to headline Reporting a concert Social_event in the Nissan Stadium , and the highest-grossing foreign music act Action in history .