Quality Assurance in Another World

A huge dragon Invaded a small village and started to destroy it. There was a village girl who worked in the Inn, Nikola was there. Then She met with Haga who is part of a secret society. They have a main objective that to spread peace and take care of it. Their path crossed with each other and now both are known as Seeker. They start their journey and both of them have secrets and they hide it from each other.