After four years in America, Len was back in Japan and transfered to Crypton Academy, a school that focuses on musical arts. Rin Kagamine, a girl with the same last name as him becomes his friend. Rin tells Len her princess dream and that her prince is someone in the school. Len decides to help her not knowing the "prince" is himself. [ I DON'T OWN VOCALOID. ANY VIDEOS OR PHOTOS DO NOT BELONG TO ME! :) ]