tsukiuta
Official website: http://tsukiuta.com/"Tsukiuta" is a series of CDs released for each month starting December 2012 until May 2013. Each CD will feature a female and male seiyuu acting out specific roles/characters and one Vocaloid producer. It will contain an original song, a rearranged song, and a mini-drama. The names of the characters and the themes of the CD are also based on the month it is released.