I Am the Master of All Demons, Teaching Them the Way

After a century spent wandering the world, the Demon Master has emerged once more to guide the myriad demons. But this time, he is no longer the protagonist of a great calamity. So he begins skirting the edges of fate: gathering demons and completing the demon clan's sacred treasure, the Record of Ten Thousand Demons, while watching the show and enjoying the rise and fall of those destined to face calamity. He experiences every facet of life and enjoys a happy existence. If the world leaves me alone, all is well. If anyone dares provoke me, just watch me make sure they stay put. My name is Li You. You is for roaming the world at will!