Me, the Prop Salesman

Lu Se, a terminal cancer patient, unexpectedly became a [prop salesman] As long as you successfully sell the props, you can get various incredible rewards based on the ratings of the prop users, and you can even eliminate spreading cancer cells. "Mad, I want to sell you even a piece of freshly used toilet paper. Tell me, what do you want me to sell?" The next second, a long list came out. [Any door] [500 million year button] [If phone booth] [Time machine] [DEATH NOTE] [Doomsday generator] [Demi-human bloodline]... "Do you really need me to sell these things?" Promote [Demi-Human Bloodline] to Qin Shihuang, [Time Machine] to Iron Man, [Doomsday Generator] to the Joker, [If Telephone Booth] in "Naruto", [DEATH NOTE] in "Conan", what kind of cool operation is this! (If readers can read the first prop [500 million-year button], they should be able to know how harmful these heaven-defying props are to the planet and civilization, so the protagonist will obtain a limited future simulator, and after simulating the future, decide whether to sell the props to different buyers in the main plane)