This wonderful art was done by the immensely talented terebozu, whose Twitter can be found here: twitter.com/terebozu92?lang=en.

Rin is one of my favorite girls of all time, so I've been wanting to commission something for her for a while. I was originally going to share this after I hit 1k watchers, but decided to just share it now. Hopefully, both Fate fans and those unfamiliar with the franchise can enjoy this.