The group Ro-Kyu-Bu is made up of the seiyuu from the TV anime Rou Kyuu Bu (伕它五文□少) and Rou Kyuu Bu SS (伕它五文□少SS).
They sung the opening and ending songs to the anime, and have also released solo CDs. There are solo versions of the OP on the solo CDs.
Their second album Dear Friends went on sale in September 2013.
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