Ash's Pikachu (Original Cap) .

This event was distributed to players with a 3DS of US, EU or TW regions, via common serial code.
The code was accurately guessed to be PIKACHU20, hours before it is revealed on official sites.

The same code can be used to redeem other variations of this Pikachu, provided your save file hasn't received one via wonder card.
The variations receivable follows a schedule.
 

Species   Pikachu (Original Cap)   Nickname   (default, save lang)   OT   Ash   TID   090898   Distribution   Serial Code   Location   a lovely place   Dates   Sep 19 to Sep 25, 2017   PID   Cannot Be Shiny   Games   EU 3DS: SM

Lv. 1

Nature   Hardy   Ability   Static (1)   Item   None   Bundled Item   Pikashunium Z  Wishing

Moves   (ITALIC means Relearnable)   Thunderbolt   Quick Attack   Thunder   Agility

WC ID 627: 「Ashs Pikachu (Original-Kappe)」's receiving text

0x2C Thank you for playing Pokémon! Please pick up your gift from the deliveryman in any Pokémon Center.

Format Ver.1.0.5-3, Post Updated Date:20170919_1307