 She also sang its theme song "Sekai wa Sore Demo Kawari wa Shinai" (), known in English as "The World Doesn't Change So Easy", which was released as a single in December 2008.In 2010, her fourth album, "Individual Emotion", was released on January 27, and one track, "The Light" was released as a PV.Then on July 14, her 13th single, "Revolver" was released, then shortly after on August 11, she released her mini-album, "Gloriosa".