Fate/stay night [Unlimited Blade Works] Season 2: Sunny Day

The Fifth Holy Grail War draws to a close, and Saber is tasked with repeating her final duty, a pivotal moment from a previous war, in an effort to break a cycle of conflict. As she carries out this duty, her remaining mana is depleted, causing her physical form to begin to fade away. In a moment of emotional farewell, Saber prepares for her inevitable disappearance. However, Rin Tohsaka, witnessing Saber's plight, takes action at the last possible moment. This intervention alters the course of events, changing the future and offering a fresh start. The story focuses on the consequences of the war and the promise of a new beginning.