MTL - Invincible Non-stop Upgrading System - Chapter 4 If you have the ability to fight back,

The book he wrote wasn't some ordinary book, nor was he an ordinary person. He holds the ability to see the future unknowingly and writes it down as great stories.

Little did he know, he would wake up in a different body in a world where he finds out the characters in his book…A world of magic, swords and monsters.

'Wait, this isn't a world from my novel. It's a real world and the novel is just my prediction of some people just like the guardian said. So I will just enjoy the show as an audience and leave after the story ends. I have a whole new world to discover in front of me.'

But what awaits him was something he could never imagine. In front of the world, in front of the whole universe, his assumption was just a grind of sand. The truth of the world made him rethink his life and the life he lived back in another world.

Viktor North, the author, finds himself in the middle of the whole universe where he was nothing but an extra later in his life as he kept living. An extra who was abandoned by his mother, his brother who was an elemental guardian and also a demigod, his race and the God.

'But I prefer to sleep than going against these unwanted people and unwanted problems. I want to sleep. I just want to shut my eyes and sleep under my warm blanket, probably forever if it's possible.'

This is the story of an author, a grand magician, a guardian who somehow became a god and the only thing he could think of was sleep.

He is the definition of what a 'Shut-in' is.

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In a world where magic and divine power collide, the youngest son of Lucifer, a demon boy born with unimaginable strength, was chained and sealed away by his father to prevent him from destroying Hell itself. At the age of eight, his power became so uncontrollable that even the King of Hell feared his existence. Desperate to keep the demon's destructive potential contained, Lucifer made a pact with the great Merlin, who trapped the boy in the human realm, binding his powers with enchanted chains.Years later, with Merlin dead and a kingdom still fearful of the demon’s release, an elite group of knights, blessed by the gods, take it upon themselves to guard his prison. However, when a war between the mages and knights erupts, chaos provides the perfect opportunity for the young demon to break free.Hidden among the knights, disguised within their ranks, the demon plots his next move. But his escape is just the beginning. Hunted by both the mages and the knights, he must navigate a world where ancient gods, wizards, and warriors clash. As he travels deep into enemy territory, sneaking into the heart of the kingdom, he is driven by one purpose: freedom.Now, with his powers still sealed but his physical strength unmatched, the young demon embarks on a journey that will shake the foundation of both realms. Can the knights stop him before he regains his full strength, or will the demon's wrath bring both Heaven and Hell to their knees?As the demon hides in the shadows of the human world, a new chapter in the war between gods, magic, and demonic power begins.

A girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.

Although Leng Ruoxue is born mentally challenged, she is the most beloved granddaughter of the number one general in the Eastern Lake Nation. She is despised by her fiancé and schemed against by her love rival. However, she is reborn as a powerful soul. This is a fantasy world, and also a world where the strong are respected. Cultivation, alchemy, weapon refinement, beast taming—the once foolish young miss has transformed into a stunning genius. Pill refinement and weapon refinement are all child's play. Heaven Grade medicinal pill? Even my pets won't turn an eye to it. Heavenly Treasure? I have the space to grow my own. Sacred artifact? Sorry, that's too low a level. I only know how to refine divine artifacts. Beast taming? My beasts deliver themselves to my doorstep.