Starting from the Elf Maid, Rectifying the Different World

Li Zezhong admitted that he had indeed longed to travel to a magical world. But—— Is this reasonable for an elf maid who looks quiet and reliable on the surface but is completely different in private? Can that foul-mouthed and shameless system be packaged and given to others? ! Why is the cold genius princess so passionate about him? --What? You say this is all because of "pollution"? Oh. You need to know—— I am the biggest source of pollution.