During of the Pokémon Festa 2019 from May 3rd, 2019 to May 12th, at the Starfield Hanam Store, Coex Mall, showing Let's Go Pikachu or Let's Go Eevee or PokéBall Plus each will award you one serial code. Shiny Eevee can only be redeemed on Let's Go Pikachu. When this gift is redeemed on a non-Korean languaged save, the Original Trainer name may be displayed as question marks.  Wonder Card ID #1001: Shiny Eevee Gift