PLANET8 is out of survice's second album released for VOCA@LOID M@STER 27. The album consists of 9 songs sung by Hatsune Miku, Kagamine Rin, GUMI, and IA. Each title follows a shiritori style in that the final character of each title is the beginning character of the next. A crossfade of the album can be heard on NicoNico. The album can be purchased from Toranoana.