Tickets for CNBLUE's upcoming concert in Japan have sold out! CNBLUE's agency revealed on January 6th that the boys will kick off their 2011 Japanese promotions through the "Zepp Concert Tour". The group will be performing to a full stadium for all four stops, which indicates CNBLUE's immense popularity in the Japanese market. The band will begin their tour on January 9th in Osaka, which will be followed by Fukuoka on the 11th, Nagoya on the 13th, and Tokyo on the 16th. It's looking like 2011 is going to be quite the busy year for CNBLUE, since the group is preparing to release a new album in February, and are also actively filming for dramas or making regular variety show appearances. Source: Newsen via Daum Media