Read Pocket Monster Special manga
From Viz: Pokémon comics based on the original Game Boy games… not the TV series! POKÉMON ADVENTURES includes all the Gym Leaders, places, and opponents from the game. There’s plenty of action as trainers named Red and Blue explore forests, jungles, cities, and caves in search of Pokémon and excitement. But can they foil the schemes of Team Rocket, a mysterious group of villains who want to use Pokémon for evil?