The teaser poster for TVXQ's Seoul tour was revealed Wednesday.
The upcoming concerts will be held in a Seoul gymnasium on Dec 6 and 7.
The concert poster, which was uploaded on SM Entertainment's official website, shows TVXQ performing on stage.
The boy group's concerts have added significance as they mark the group's 10th anniversary. Tickets sold out shortly after sales opened on Oct 28, proving TVXQ's soaring popularity.
SM's performance director Sim Jae-won, who has worked with the group for many years, will produce the concert.
The boy group has become the best-selling foreign pop group in Japan with accumulated sales of about 4.1 million.
Its new EP, "Time Works Wonders," was released on Nov 5.