TVXQ is receiving a lot of love from their Japanese fans and because of the huge interest and demands on their Japan tour, their agency SM Entertainment decided to add 2 more dates to TVXQ's Japan tour.

TVXQ kick started their tour "TVXQ Live Tour 2012~Tone~" last January 18 in Yokohama where TVXQ received enthusiastic response from the fans. However, the competition for the tickets are high and the demand is more than the ticket's supplied, fans had difficulty securing tickets for themselves, this is why SM Entertainment decided to add 2 more dates so those who were not able to secure a ticket can have another chance to see TVXQ in their concert.

So Far, TVXQ's 2012 Japan Tour is scheduled for 26 concerts to be held on 11 cities such as Tokyo, Nagoya, Fukioka, Osaka, Sapporo, Niigata, Hiroshima and Fukui. They are also scheduled to perform on Tokyo Dome and Osaka Dome on the 14th to 16th of April and 21st to 23rd of April respectively, they are expecting over 550,000 audience for the concerts. Also, TVXQ is scheduled to reveal a new single this March 14 "Still" in Japan.

Source