アストロロギアの十二の刻印 (Astrologia no Juuni no Sign / Twelve Signs of Astrologia) is a concept album based on the twelve signs of Zodiac, each of the songs representing a different sign and featuring a unique main character. The album was first released at THE VOC@LOID M@ASTER 25, with the public release planned for August 2013. The album can be pre-ordered from Amazon. The crossfade can be viewed on Nico Nico Douga. The official site is available here.