"Girl and the Black Cat" is a song composed by sigotositeP first uploaded on January 1, 2011. It's sigotositeP's first original work with Kagamine Rin as the main vocals. sigotositeP addresses Rin and "Rin-chan-san" (リンちゃんさん), and said in her video description that the theme on the song is "The Late Princess' Return".