FimFiction Link - Short ID: 289663/summer-island
Published: Sep '15
Protags are grownup Scootaloo and Sweetie Belle who find each other after a long time. Honestly, I loved it: the prose flows well and the story is very emotional, main theme is melancholy and nostalgia for a past that you loved and seems to be gone now, contrasted with hope for the future.
Just read it, it's amazing imo