The staff for the anime film of Osamu Sōda’s Bokura no Nanokakan Sensō (Seven Days War or Our Seven-Day War) novel revealed three more cast members for the film on Friday.
Sasaki then launched a new manga based on the film (as opposed to the original novel) in Kadokawa’s Monthly Comic Gene on August 16.
Kadokawa Shoten published the novel in April 1985, and the novel inspired a live-action film starring Rie Miyazawa in 1988.
Aoko Sasaki launched a manga adaptation of the novel in Kadokawa’s Monthly Comic Gene magazine on April 15, and ended it on July 13.