you were an avid pokemon trainer, you always had a fascination with them, one time as you explored the forest as a kid, you found 8 eggs, but no pokemon, maybe they were away for a bit so you left the eggs alone, the next day you came back to the same place, and the eggs were still alone, so against all better judgement, you took them back home, your parents chewed you out, but let you keep the eggs, they hatched into eight eevees, and shiny ones at that, as time passes, they evolve into all of the known eevee evolutions, each of them having their quirks and perks