Foreign Countries Are Five Hundred Years Behind

Traveled to a world with a historical twist, where the territory of the Ming Dynasty was three times larger than that of the Yuan Dynasty. And I am actually the prince of the Ming Kingdom stationed in the Rakshasa Kingdom? ! What? Why hasn't the right of night been abolished yet? ! What? Are all the men out there suffering from the disease? What? I traveled through time and brought with me a super battle robot butler from 2888? ! What? In this day and age, I actually own a thirty-three-story mansion with an elevator! Or the one with a sky garden loft and swimming pool? ! So what are you waiting for? Let's flip the sign! Call my maid out quickly! What? Haven't had time to collect it yet? Then the uncle will collect it himself! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.