Soundless Voice / Proof of Life / Endless Wedge

==Background==
The soundless voice, proof of life, and endless wedge series tells a story about a girl (Rin) who knew that she was about to die, and a boy (Len) who takes care of her. In the end, Rin died because of her sickness, before Len could even say that he loved her. Years later, Len remembers their time together and still kept Rin deep in his heart.
==The Trilogy==
Category:Series
Category:Japanese series
Category:Series featuring Kagamine Len
Category:Series featuring Kagamine Rin