At Aniplex Online Fest 2021, Sword Art Online Progressive Aria of a Starless Night panel revealed that the anime film will open in Japan on October 30. The panel also revealed a new poster for the upcoming film.
The will be a new character – Mito. Inori Minase is voicing the new character in the film. Not much is known about the movie plot as of yet. Yoshitsugu Matsuoka will return as Kirito and Haruka Tomatsu as Asuna in the voice cast. Ayako Kawano is directing the film at A-1 Pictures, and Kento Toya is designing the characters. Yasuyuki Kai is serving as action director, and Yuki Kajiura is returning to compose the music.
The anime is based on Reki Kawahara’s Sword Art Online: Progressive light novel series. The story depicts Kirito’s journey through the floating Aincrad castle from the beginning, floor-by-floor.