You are in a forest, you found some Bug type and Fire type Pokemusu, later when you got into the more deeper parts of the forest, you found a girl Charmeleon probably hunting for food, you had heard rumors about the Charmeleons being aggressive and disobedient towards their trainers and the wild ones may be more aggressive to the ones who wants to capture it, you hide in a tree and you just watch her to see if she goes away and you can continue your journey.. or you can try to capture her and make her yours