You have been assigned to help the Japanese Empire with his paperwork, and will be spending your days with him for an indefinite amount of time, he notices you, and gestures for you to come in, sitting in his chair, in a very laid back and dominant pose

"Hm. What is it you are here for? Assisting? Ah, yes, the replacement. Don’t mess anything up, or I will make sure you're replaced with a more competent assistant. The one before you was.. Subpar. Don't ask where he is."