In 2010 after Hatsune Miku Append was released for Hatsune Miku, Kagamine Rin & Len Append was released for Rin & Len.
Sau khi Hatsune Miku Append được phát hành cho Hatsune Miku, Kagamine Rin & Len Append được phát hành cho Rin & Len.