A young woman begins receiving messages from an unknown number that claims to be her deceased father. Trying to uncover the truth, she stumbles upon a larger conspiracy involving the singularity.
- Other Title: Kokoro ga Sakebitagatterunda., Kokosake, 心が叫びたがってるんだ。, The Anthem of the Heart, El Himno del Corazón, Jun, La Voix du Coeur
- Status: Completed
- Sub/Dub: Anime Dub
- Anime Type: Movie
- Genres: Drama, Sci-Fi, Romance, Performing Arts, School, Music, Seinen, Sports, Animation
- Characters: Nitou, Natsuki, Sakagami, Takumi, Tasaki, Daiki, Naruse, Jun
- Score: 7.84
- Rank: 837
- Popularity: 715