Super Junior's ballad unit Super Junior-K.R.Y. successfully completed their solo concert in Yokohama titled, 'Super Junior-K.R.Y. Special Winter Concert 2012'.

Held at the Pacifico Yokohama Convention Center from November 19th through the 21st, the concert brought in a total of 15,000 fans. The unit group has previous experience completing a successful Asia tour in Korea, Japan, China, and Taiwan, so the group sold out tickets with ease.

This is their second concert in Japan since their 'Special Concert in Japan 2010', and fans responded enthusiastically as pre-order tickets sold out within three seconds after going on sale on October 27th.

The unit sang a number of songs off of Super Junior's albums as well as OST tracks and individual stages for a total of 22 live tracks. Unlike Super Junior's standard power dance-filled performances, the entire concert was completed with a live band to make for highly emotional stages.

To celebrate the upcoming holidays, the boys also threw in festive remake performances of "Silent Night", "Last Christmas", "Christmas Eve", and some Japanese covers like EXILE's "Believe" and Hitoto Yo's "Hanamizuki".

Fans were also in for a treat, as they performed "Promise You" off of their upcoming Japanese single slated for release on January 23rd, along with a first reveal of the teaser video.

The unit will continue their winter concert in Kobe from the 22nd through the 24th and the Budokan from January 22nd through the 24th.

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Source + Photos: SBS E! via Nate + Ryeowook, Kyuhyun, Yesung's Twitters