Nagai, Okada, and Tanaka commented that the film is the third work set in Okada’s hometown of Chichibu, after anohana and The Anthem of the Heart.
The trio then collaborated once more in 2015 with The Anthem of the Heart original anime film.
The official website for Her Blue Sky (Sora no Aosa o Shiru Hito yo), the original anime film by the Super Peace Busters creative team, revealed the film’s cast and story on Tuesday.
Director Tatsuyuki Nagai, writer and director Mari Okada, and artist Masayoshi Tanaka — the members of Super Peace Busters — are handling the film.