How can I develop a unique Sekaiichi Hatsukoi OC for fanfiction?

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?

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!

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.

The Hero Age— circa 3113 ad. An age where humans have developed superpowers such as superspeed, superstrength, and every cliche superhero power there is. But not everyone awakened superhero powers. A tad 1% of the population were unawakened and Satoshi is one of them... or so he thought. It all started when he wished for a System-like ability in front of a retro computer, which in turn granted it the power of the System. What Satoshi didn't know is that he holds the power to transform/evolve animals and inanimate objects. How will Satoshi's life evolve after this newfound power? Will he finally be the very best like no one ever was? tags: action, adventure, modern, comedy, system, zerotohero, weaktostrongmc, parody WPC #206 contestant

The most powerful demon of Hell reduced to a mere slug! Thanks to his unique ability to absorb abilities of the creatures he ate, Voren became the strongest demon in Hell. But just when he was ready to relax and enjoy the luxuries he conquered, gods descended from Heaven to take him down. One against many, Voren fought valiantly, but in the end, he was defeated. Still, the gods couldn’t break his spirit. He lost all his demonic powers, but even all of gods’ efforts couldn’t wipe out Voren’s memories—and his unique ability. As a last attempt to destroy him, gods made Voren reincarnate as one of the lowest creatures there is—a slug. But even that won’t stop Voren from taking his immortality back and getting his revenge. He will reach Heaven… through violence. And enjoy everything the mortal realm can offer on his way there. Warning: contains bloody violence, crimes against animals, crimes against humans and what else you can expect from an evil protagonist. (please, read the prologue)