From Bulbapedia, the community-driven Pokémon encyclopedia.
Shōko is a member of Team Great Rocket from Template:Card GB 2. She's one of the Trainers at the GR Fire Fort.
Her deck, Eevee Showdown Deck (Japanese: イーブイたいけつデッキ), focuses on and Pokémon. She will not duel against the player unless this uses a deck with four Eevee cards.
When defeated, she gives out one of both Team Rocket's Ambition and We Are Team Rocket booster packs. Also, when defeated for the first time, she frees Grand Master Courtney and opens the door to the next room, allowing the player to reach Hiderō, the Fort Leader of GR Fire Fort.