Mash-Up: I'm Not A Substitute - Chapter 204 - 203: You Might Be a Genius, But Koshien Is Full of Them

Jian Ci is the light. An S-class Esper, his powers ripple with the warmth of a thousand suns, his smile a blinding beacon that draws humanity, and hope, to him like moths to a flame. He is the Sun, a magnetic force of nature, utterly unaware of the abyss that gazes back.Yu Xi is the dark. A shadow with skin, a man who walks through life with a silent, consuming emptiness, broken only by a singular, scorching singularity... Jian Ci.He is the Abyss, a dark constellation orbiting a single star, and his existence is now defined by the answer to one terrifying question.How far are you willing to go for him?Yu Xi’s response, spoken as clearly as a death sentence.“To hell and back.”This is the story of an impossible equation: Light + Darkness = ?It is a love that warps physics and morality, a descent into an obsession so profound it threatens to rip the very fabric of their world.Yu Xi knows their combination is impossible, a contradiction that should result in utter annihilation. Yet, with a quiet, terrifying devotion, he is prepared to burn the world, his own soul included, if it means securing his star.

One day, countless natural wormholes tore open across the Blue Star Continent, revealing gateways to countless worlds. With this discovery, humanity was thrust into an era of interdimensional conquest, waging war across realms to seize power and resources.Su Xiuyu, a seemingly ordinary high school student from Yangcheng No. 1 Middle School, lived a mundane life—until his third year, when everything changed. Awakening the mysterious **Reincarnation System**, he regained memories of a past life and the truth of his existence. He wasn’t just another student—he was a traveler, a reincarnator destined to walk the path between worlds.His journey began in the brutal Warring States Period of the Naruto world, where blood and war shaped legends. But that was only the beginning. With each reincarnation, he would step into new universes, face gods and monsters, and carve his name across the multiverse.From the shadows of history to the frontlines of cosmic battlefields, Su Xiuyu would rise, one world at a time.

Li Xiaonian dies as a result of his girlfriend’s betrayal. Luckily, he has the chance to start all over again and is reborn with a mysterious space battleship he accidentally acquired in his previous life—”Shadow”.

Returning to the virtual online game “Star Wind’ that everyone is crazy about, he finds himself to be a little different in this life. The gift “Shadow” bestowed on him this time turns out to be Memory Instillation. With this gift, it only takes him a moment to master any kind of skill.

Ding… System: You’ve acquired primary shooting skills and gained 10 years of shooting experience.

System: you’ve acquired mechanical modification technology and gained 10 years of mechanical assembly experience.

Playing the game, unconsciously, Li Xiaonian has become a zillionaire and a man of great wisdom in the real world.

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A young man who had longed for stories of good and evil since childhood lost his life in a tragic accident and was reincarnated as a boy named Chrono Mak in another world.

He learned that in this other world, there is magic and witchcraft, and depending on how you train them, you can become as strong as you want to be, so he decided to become the strongest demon king in order to recreate the story of justice and evil he once dreamed of.