星ノ少女ト幻奏楽土 (Hoshi no Shoujo to Gensou Rakudo / Star Girl and The Illusory Musical Paradise) is cosMo's second EXIT TUNES compilation. A series of the same name is currently being uploaded to Nico Nico Douga. It features mainly Hatsune Miku and GUMI, but it also features Kagamine Rin, Kagamine Len, Megurine Luka, and Camui Gackpo. It includes 17 tracks such as "Runaway Boy and Lost Girl", "The Adventurous Girl and The Miniature Garden Game", and "Dr. Realist".
As with any Exit Tunes album, there are presents that you can purchase. They can be seen here.
The website for this album can be seen here.