Film starring Kento Nakajima, Kyōko Yoshine, Anna Ishii, Ichirō Kan opens on July 22.

The official website of the live-action film adaptation of The Anthem of the Heart (Kokosake or Kokoro ga Sakebitagatterun Da.) anime film began streaming a teaser for the film and revealed new cast members on Thursday. Japanese entertainment news website Cinema Today is streaming the teaser.

The new cast includes Nene Ōtsuka as heroine Jun Naruse's mother, and Yoshiyoshi Arakawa as the homeroom teacher of the main characters.

The film will open in Japan on July 22.