The Anthem of the Heart (subtitled Beautiful Word Beautiful World) is a 2015 Japanese animated youth drama film produced by A-1 Pictures, directed by Tatsuyuki Nagai, written by Mari Okada and character designed by Masayoshi Tanaka and serving as chief animation director under the creative team Super Peace Busters. The original title is Kokoro ga Sakebitagatterunda. (心が叫びたがってるんだ。, lit. The Heart Wants to Shout) and it is abbreviated as Kokosake (ここさけ). It was worked on by the staff who had previously worked on the anime series Anohana: The Flower We Saw That Day and its film adaptation, as well as Toradora!. It was released on September 19, 2015.