Fate Stay Night Unlimited Blade Works. It's a gif clip from the final episode when after everything else has gone down, Rin and Shirou are trying to move on with their lives and Rin gets into a tussle with rich girl Luvia.
Apparently the canon series goes beyond this point but my Fate Lore is sorely lacking.
There's also a fun Abridged Series going on.
There's still some ties to the greater lore of the Fate Series, but it's overall a really fun ride and it's how I've been getting into the series.