Yes!
From Create Your Own Story
So you say Yes! and Oak open that Poke Ball...and is...a Pikachu! How the heck is hard to train this one? Prof.Oak gives you 5 Pokeballs and a Pokedex. So you go on Route 1, and there are two paths to Viridian City: One leads to a Forest and the other leads a Cave...what do you choose?
