How can I start writing a 'lpaying the game fanfic'?

Traveling through the Xianxia world, Chen Chen obtained the strongest tracking system and was able to track everything ever since. Chen Chen says, "System, I am short of money." "Two meters away, your father has hidden some money under the bed. Five meters away, there is a rusty copper coin buried half a meter underground." "There is a nugget of silver in the grass ahead." Chen Chen says, "System, I need some luck." "The feces in front of the pigsty is not ordinary." "Go to the Black Peak cliff ten kilometers away and jump off it." "There is an Immortal Cave Abode hidden somewhere, please explore it on your own."

[Alternative tittle: I Can Duplicate Everything] One day, a friend asked him, "Brother Qin, why aren't you cultivating?" Qin Yi smiled gently and said nothing. Cultivating? Why should I cultivate when I can extract Cultivation Points from you? With Cultivation Points, I can upgrade my cultivation base at any time. Not only Cultivating Points, but I can also extract your Spiritual Mind, Body Essence, Artifacts, Pills, Bloodline, Special Physique, and others. So, tell me, why should I cultivate?

Caution: This novel contains R18 content. "Doomsday had arrived overnight. Zombies roamed every corner and humanity had suffered a massive setback. Faced with these terrifying zombies, Stark had thought that his sinful life was about to end. Suddenly, a [Divine-Grade Sign-In System] got bound to his body. He would receive rewards when he signed in every day. ""Congratulations. You completed today's sign-in. You received an SSS-grade Fallen Angel Pet."" ""Congratulations. You completed today's sign-in. You received an SSS-grade weapon, The Almighty Sword."" ""Congratulations. You completed today's sign-in. You received an SSS-grade ability, Zeus's Body!""..."

A chance to change, challenge destiny, make dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish! In the modern world, a young man gains an unconventional system that gives him the power to transform into a fish! With this strange power, he shoots for the stars!

It was the year 2021 AD. The game jointly developed by the entire world, “Heavenly Enlightenment”, was released. In this game, in-game coins could be exchanged for real money, which instantly attracted countless players from all across the world. Various nations around the globe also competed fiercely for the resources in the game. Lu Yuan was a player of “Heavenly Enlightenment. At the start, he received the SSS rank talent — Infinite skills upgrade! Fireball LV999: Fireball descends from the sky and rains destruction upon the world! Heal LV999: the Angel descends to revive ten thousand people! …… With his infinite upgrading talent, while others were still desperately trying to farm mob monsters, Lu Yuan had already killed the boss effortlessly. While others were still toiling to raise the favourability meter of NPCs, Lu Yuan was already sleeping on the same bed as the NPC queen. The other players all started to protest! “Report him, he’s cheating!” “Lu Yuan had severely affected the balance of this game, we strongly demand to ban Lu Yuan!” …….

Qin Lin was playing a nostalgic game called “Ranches Story” when he was electrocuted. He suddenly discovered that he had the ability to enter into the game. He could even bring a watermelon he had planted in the game back to reality. At first, his plan was to sell watermelon for 2 yuan a catty. In that case, he could earn 20,000 yuan by planting 10,000 catties worth of watermelon in the game every day and selling them in reality. Later on, he discovered that by leveling up his ranch, he could obtain high quality crops that surpassed that of the real world. If he reared livestock, they were of far higher quality than that of reality. After he built factories, he obtained various recipes that far surpassed that of the real world. Everything changed after that.