Tearing up the music charts upon the release of 'Red Diary Page. 1', talented duo Bolbbalgan4 will be holding their 2nd concert 'Imagine' in December.

The girls are scheduled to perform in Seoul's Blue Square on December 16-17 and then move to Busan for a concert on December 31 in Sohyang Theater.

Not only that, Bolbbalgan4 will also be heading to Hong Kong on December 22 for a concert. This will mark three months since holding their last overseas concert in Taiwan in September.

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Tickets to Bolbbalgan4's year-end concert can be purchased starting on November 1 for Seoul and November 6 for Busan.