Is 'Naruto: I Can Upgrade My Techniques Infinitely' A Fanfic Or Original Novel?

“Why did you betray me? Why did I have to die?” Xiao Chen who died because he was killed by his ex-lover and his lover’s affair, he reincarnated as a child of the famous Xiao family on the continent. He was born into a strong and loving family since then Xiao Chen decided to live without doing much effort. Stay humble, and enjoy the love of his family but have a rather naughty nature among his family elders. Until one day Xiao Chen changed into a different person so that the family who used to love him turned to hate him. “Why did you do all this? Why? Answer me XIAO CHEN!” The angry voices of every elder and member of the Xiao family only made Xiao Chen laugh. His life did not need to be controlled by others and his life did not need others to question, he only lived according to his own heart. “Hahahaha, why? Of course because I don’t like him, being too genius makes my heart very jealous of him and it awakens the devil in my heart. I Xiao Chen will make you feel what real pain is!”

When the apocalypse came, she lost everything. Starving, hunted, and desperate, she trusted the one man she loved… only for him to betray her in the cruelest way possible. He stole her last supplies to please another woman and left her to die in a sea of the undead. But death wasn’t the end. She woke up days before the world collapsed. After cutting ties with her ungrateful ex and his parasitic family, a mysterious voice awakens in her mind, LUS, a Level-Up System designed to help her survive the coming end. With knowledge of the future and a system guiding her every move, she begins to prepare. She stockpiles resources, builds a base, and learns how to fight back against the horrors that once destroyed her. And when the apocalypse arrives again… she’s ready. But survival isn’t the only thing waiting for her in this new life. A silent killer who watches her like prey. A manipulative genius who wants to unravel her secrets. A gentle protector who sees the girl she hides. And a dangerous man who thrives in chaos. As the world burns and power shifts, they’re all drawn to her, each with their own motives, each with their own darkness. Even her past refuses to stay buried. Because now, the man who once abandoned her is back, broken, desperate, and begging for a second chance. Too bad she has no time for regrets. Not when she’s busy rising to power… and building a kingdom in the ruins of the world.

I woke up inside a novel, and not even as an important character. I became a pretty background extra in a smut novel. My brother, however, was the only normal person in the entire story. His character setting was the one man the soft, delicate heroine could never win over. He was the cold, unattainable Prince Charming she could never conquer. When the heroine cried and confessed her love, he was studying. When she offered him her whole heart and body, he was busy starting a company. When she spiraled into scandals and nightlife, he was already a billionaire, calm and untouchable. I thought he would live a quiet, ascetic life forever. Until one night, I walked in on him at midnight… holding a piece of clothing I recognized all too well, murmuring a name over and over, a name so familiar that my scalp tingled.

Awakening to a bewildering and astonishing reality, Seraphina found herself in an extraordinary situation: she had transmigrated into her own novel, stepping into the shoes of a character she had meticulously crafted. The male lead in her story was notoriously elusive, challenging to approach, and the master of a harem. Seraphina, now Zephyrine Everlynn, unexpectedly found herself among the women in his harem. It was utterly absurd! Promptly leaving the harem, Seraphina used her knowledge to help others win the male lead's heart, all for the right price. But why did the male lead continuously find his way back to her?

I caught my fiancé and the fake heiress in the act. They didn’t show an ounce of guilt; the heiress even laughed at me, full of mockery. “What I have isn’t just this,” she said. “Last year, I was bound to the Score-Boosting System. No matter what score you got on the SAT, I was always a little higher. Didn’t you notice?” “Natalie,” Vivian sneered, “as long as I’m around, you’ll never get ahead of me!” Anger surged through me. I wanted to take them down with me, but then a gas explosion struck, and the three of us were reborn at the same moment. I was welcomed back into the Sullivan family. Grandpa Sullivan declared that whoever became the SAT champion would inherit the family fortune. The fake heiress boasted proudly, “Natalie, don’t even try. You’ll always be my stepping stone!” I smiled. “If you’re always a little ahead of me, fine. I’ll just set the highest score in history.”

Welcome to the Longwu Continent, the stage for five magnificent Empires ruled by high martial and magical talents. In the spotlight, a figure will gain fame and a brilliant scene. On this Continent, resources were abundant for those who mastered the two crucial talents: Mingzhu energy for outstanding martial arts and Nebula energy for mesmerizing spiritual skills. For those who do not possess both talents, their lives seem to be erased and forgotten by the world. Li Wei, a young man from the small town of Shuimiao in the Terra Empire, seemed to be a mere nobody with neither martial nor magical talent. However, he aspires to become a Sage, a half-immortal human. Luck arrived in the form of an unexpected encounter with a legendary creature one night, changing his life forever. Li Wei awoke to find that he possessed extraordinary talents in two things coveted by millions: martial arts and magic. These prodigies were not the result of mere chance but rather the intervention of a supernatural creature sea monster known as Longxu. Now, Li Wei enters the world of Cultivators and Magus on the Longwu Continent, carrying the promise of a secret society that makes him the target of truth-hungry experts. Will Li Wei achieve the dream of becoming a half-immortal as he desires? What is the big secret that makes him the hunted on Longwu Continent? Find out in this epic tale, "The Sage Story of Longwu Continent."