Pathfinder rewards specialization and punishes generalization even more than it's parent system.
You are almost guerunteed to be the same class the entire game.
It is a good idea, then, to pick something you will be happy with for the whole game.
You seem the type to put more into a [性格] than [機能].
If you would like, I can help you with the game mechanics and character build based on what you write for personality.