The Comic Newtype website will publish the 15th and final chapter of the manga on January 29.
The film is the third work set in Okada’s hometown of Chichibu, after anohana and The Anthem of the Heart.
Yaeko Ninagawa launched the manga on Kadokawa’s Comic Newtype web comic site in July 2019.
The official Twitter account of Kadokawa’s Comic Newtype web comic site announced on Friday that Yaeko Ninagawa’s manga adaptation of the Her Blue Sky (Sora no Aosa o Shiru Hito yo) original anime film will end in its next chapter.