DBSK's first winter ballad single in Japan 'Winter Winter Rose/ Duet-winter ver' is to be released in Korea on December 21st.

The single, which was released in Japan on Novermber 30th, has two version, CD+DVD and CD, appealing new side of DBSK since the album only contains winter ballad songs.

CD+DVD version has total 4 songs, including a new song 'Winter Rose', a winter arranged version of 'Duet', which was included in previous album 'TONE', and 2 instrumentals, DVD contains 2 'Duet' music videos and the making film.

CD version contains 6 songs, including 'Winter Rose' reversible version with lyrics from a girl's perspective, 'Duet' Chorus version.

In addition, DBSK is scheduled to get on tour starting in Yokohama on January 18th, followed by Nagoya, Nikita, Satboro, Hiroshima, Fukui, Osaka, Saitama.