"Eight -THE BEST OF Hachioji-P-" is Hachioji-P's 9th album. It features the voices of Hatsune Miku, GUMI, anon & kanon, Megurine Luka, and Kagamine Rin/Len. The album is separated into 2 discs: BLACK STAR & WHITE MOON. The limited version of the album includes a DVD featuring PVs (created by wakamuraP & JET) which have been uploaded onto Hachioji-P's official YouTube channel.