As a cute new devil, I am super cruel

Who said that to become a devil must be invincible with no brains? Who said that the devil’s harem is full of girls and even pseudo-girls sleep with one-stop service? ! Who said that the demon king is so cruel that even Kobe cows raise a glass of beer to show respect? Crossing to the Midland continent where demon kings are everywhere and there are many brave men like dogs, Mengxin Demon King Xiao Han said that it is too difficult... Yes, I am Demon King Xiao Han, and I Mengxin is here ... Here, there are swords and magic The pinnacle of civilization, the sword of the knight’s pledge of allegiance and victory, and the forbidden spell chanted by the mage! Here, the science and technology tree is lit, the fire of civilization is burning, the jet of steam rises in the void, the eternal electric light shines in the dark night, and the steel armored battleship runs across the sky, covering the sky! Here, there are diversified racial civilizations, sturdy and brave orcs who believe in the gods of war, elves who admire nature and love peace, Nordic dwarves with excellent craftsmanship but alcoholism, and giant dragons who are proud and disdainful but keen on treasure, explore the mystery of immortality Lich, the undead pursuing the ultimate power, the bewitching succubus, the priest who believes in the gods, the team of brave men who swept through the monsters, the fierce and terrible demon army... the dispute between the gods and the devil, the forces of all parties The secret collision, the dangers and opportunities along the way, let’s see how the new Demon King grows up (insignificant development?), with his sand sculpture system, accompanied by his companions, subordinates, and subjects, creates an epic on this war chaotic continent legend! I'm new, I'm super fierce, don't fight against Lao Tzu~ [In short, it's just that you can only make promises on weekdays, and fight hard when you fight!