I Love you to the Moon and Back - Umbreon X Vaporeon

An orphaned Umbreon (Darky) in desperate search of finding his family who left him, soon meets an eevee (Lotus) who seems to have the same conflict. The more days they spend together trying to achieve their goal of finding their family, their bond grows closer. Suddenly, one day, things take a dangerous turn which leaves Lotus in a life changing event that would affect the path of her whole life. As Lotus adjusts to her new life, the whole trajectory of her main goal is put to waste, which leaves Darky as her only hope to accomplish it.