Let's Play the Pokémon Card Game XY

How I Became a Pokémon Card is a manga series consisting of six volumes. Each volume features vignettes involving Pokémon like Jolteon and Dratini. A special Pokémon card is included with each book. It is drawn by Kagemaru Himeno, who is also an artist for the TCG. 
(Source: Bulbapedia)

Published as part of the Pokémon Card GB Final Tactical Book strategy guide, a Japanese guidebook for the Pokémon TCG. The story is a prequel for the GBC video game.