From Bulbapedia, the community-driven Pokémon encyclopedia.
Pocket Monsters Platinum: Aim to Be Battle King!! (Japanese: ポケットモンスタープラチナ めざせ!! バトル王) is a Pokémon manga by Ryū Matsushima. It follows the story of Yū Shirogane, a hot blooded schoolboy who competitively plays the Nintendo DS game Pokémon Platinum Version in order to become the Battle King.
The entire series was released as one collected volume.
List of chapters