Fate/stay night [Heaven's Feel] II. lost butterfly is an anime film that premiered in winter 2019, produced by ufotable.

About the production: the story comes from a visual novel, the film runs about 117 minutes and its current status is "finished".

Its main genres are action, fantasy, psychological, romance, supernatural and thriller, with themes such as Magic, Urban Fantasy, Battle Royale and Gore.

On AniList, Fate/stay night [Heaven's Feel] II. lost butterfly has an average score of 84%, a very good score, and appears on 132,522 users' lists.

The franchise continues in or follows from: Fate/stay night [Heaven's Feel] I. presage flower and Fate/stay night [Heaven's Feel] III. spring song.

Shirou Emiya made his choice: to keep fighting, and to protect Sakura Matou. Due to the participation of Zouken Matou in the Holy Grail War, and his summoning of the Servant True Assassin, things begin to distort, steadily worsening day by day. Resolved to protect Sakura and not betray her, Shirou refuses to leave the battle. While Sakura worries about Shirou, she also finds herself entangled in her own fate as a mage. However, their fervent wishes are about be crushed by the mysterious black shadow that covers the city, killing Masters and Servants one by one… (Source: Aniplex of America)

Official synopsis from AniList.