I'm Cultivating Immortality Legally, So Why are You Calling Me a Demon?

[Ding dong, congratulations host for binding to the Chaos System. As long as the host continues to complete the demon lord's missions, you can become a Demon Lord.] "This is the age of civilized cultivation, system, you want me to be a demon? Do you think I don't have long enough to live?" [Task 1: As a demon, killing and robbing should be as easy as eating and drinking. Steal others' opportunities and use them for your own purposes!] "System, the robbery must have occurred between three and ten years ago!" 【Task 2: The demon should have countless followers who willingly offer sacrifices to help you achieve the Great Dao. Please recruit followers (0/1000)】 "Brother, isn't this illegal? A couple of years ago, there were demonic cults, and they were all sentenced to more than five years in prison." [Task 3: You are now a qualified demon lord. Please forge your first demonic artifact, the Myriad Soul Banner.] "Buying and selling souls is a capital offense! You damn system, if you want me dead, just say so!" ... "What? Stealing someone else's takeout is considered stealing their opportunity?" "What? Live-streaming e-commerce is considered recruiting followers!" "What?! Digital life forms created using AI can also be used to forge the Myriad Soul Banner!" "You're not the system, you're my father!" ... Years later, Su Yuan, who worked as a deliveryman, livestreamer, and online troll, completed one demon lord mission after another and became the Great Demon Lord, was given a new title by the world. [The Immortal Who Works Part-Time]