Fate/stay night: Unlimited Blade Works 2nd Season - sunny day

Synopsis

As the Fifth Holy Grail War reaches its conclusion, Saber repeats her final duty from the previous war in order to end the vicious cycle once and for all. With the decisive blow draining her remaining mana reserves, Saber's body begins to dissipate. She utters a tearful farewell—but Rin Tohsaka reaches out to her at the last moment.

The future has been changed, and a new beginning awaits.

(Source: MAL Rewrite, edited)

Note: Based on the Good Ending scenario from the second route of TYPE-MOON's visual novel, Fate/stay night.