I Just Became a Demon Lord, but the System Asked Me to Become an Immortal

Lin Hao went through a lot of hardships and finally became the Demon Lord. No one in the world dares to disobey orders. But suddenly a dog system popped up and asked him to cultivate immortality. "What, you won't go? Then I'll put you back to your original shape and start from scratch." Lin Hao looked helpless and had no choice but to discuss with the system. "Is there a way to get the best of both worlds?" "Of course." So Lin Hao followed the system's advice and sadly embarked on the path of cultivating immortality.