Gekijouban Fate/Stay Night: Heaven's Feel - II. Lost Butterfly
The story focuses on the Holy Grail War and explores the relationship between Shirou Emiya and Sakura Matou, two teenagers participating in this conflict. The story continues immediately from Fate/stay night: Heaven's Feel I. presage flower, following Shirou as he continues to participate in the Holy Grail War even after being eliminated as a master.