Ai no Uta
Three of the songs were used as theme songs for various media: "Departures (Anata ni Okuru Ai no Uta)" and "The Everlasting Guilty Crown" were used as theme songs for the 2011 anime television series "Guilty Crown", and "Planetes" was used as the ending theme to the original video animation included with the visual novel "Guilty Crown: Lost Christmas".