Game-logic-wise, I never understood why the MC ever thought that, after taking a high-job, that he can just scrub it and take another any time soon. In most games, once you're on a path, you're on it. No backsies.
Other than that, I really fucking hope the author isn't going to make "The hero" into a Berserker. I really dislike this tendencies in manga, where there's this character nobody likes, but the author keep finding ways to push them onto the stage.
If "the hero" is going to be a villain, I had hoped it'd at least be for a "good reason", and not because: "big titty princess told me to c:"