The Last Master of Mankind Has to Start from Scratch

I, the last master of mankind, yes, it's that simple. Now I have come to a very unique world. Well, there is a lack of discipline. It looks like I need to clean this place up! Children, this must be more fun than the appointment given by the old director! You're the one called the Sausage Hunter, right? Your name is Roswaal, right? None of you are worthy of shining my shoes This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.