From Bulbapedia, the community-driven Pokémon encyclopedia.

How I Became a Pokémon Card (Japanese: ポケモンカードになったわけ Pokémon Card ni Natta Wake) 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.