Sword Art Online the Movie -Progressive- Aria of a Starless Night is an anime film that premiered in fall 2021, produced by A-1 Pictures.

About the production: the story comes from a light novel, the film runs about 97 minutes and its current status is "finished".

Its main genres are action, adventure, fantasy and romance, with themes such as Virtual World, Video Games, Swordplay and Survival.

On AniList, Sword Art Online the Movie -Progressive- Aria of a Starless Night has an average score of 78%, a very good score, and appears on 102,311 users' lists.

The franchise continues in or follows from: Sword Art Online: Progressive - Kuraki Yuuyami no Scherzo.

Return to the death game where it all began—Sword Art Online. In this new Aincrad Arc by original creator Reki Kawahara, the story is seen through Asuna’s eyes. What at first seems like a dream come true quickly becomes a nightmare when newbie gamer Asuna Yuuki learns the only way to escape the virtual world of Aincrad is to beat all 100 levels—but “Game Over” means you die in the real world. (Source: Crunchyroll)

Official synopsis from AniList.