Star Girl and the Illusion Paradise (星ノ少女ト幻奏楽土) is a series by Story Researcher (doujin group formed by cosMo and GAiA). CosMo is in charge of the music and illustration, while GAiA collaborated with him in the lyrics. All of the songs in this series were released on one album: * Hoshi no Shoujo to Gensou Rakudo. A crossfade for the album can be heard here. A novel adaptation of this series was released on February 4, 2014. The series ended with the upload of Light Purple Endroll.