TVXQ has officially kicked off their comeback activities for variety programs! Fans have been buzzing about the duo's reported recording for SBS's "Running Man" on January 10th. But it was�was recently revealed that they'll be making an appearance on SBS's "Chocolate" as well. TVXQ will be filming for their segment on January 12th, and will be showing off their talented vocals by singing three or four songs. The group is currently scheduled to release the 'special edition' of their "Keep Your Head Down" album on the 12th as well. Source: Newsen via Daum