MTL - Spirit Hotel - Chapter 4 introduce)

I was forced to live in captivity for the rest of my life because I happened to be aware of the fact that I was a saint. I was truly a ‘real’ saint, but that didn’t matter, because there was already a designated saint in the temple.

When I died from all the abuse I endured, I was sent back to a time before all those previous events in my life had happened. After 15 regressions, I was exhausted. I prayed, “I don’t want anything to do with this, so please just let me die,”

And at that moment when I could finally be able to die, someone said, “How about being my daughter?”

…. That monstrous duke had adopted me.

After his death, Weiss S. Albus woke up under an unfamiliar ceiling. What came after a successful transmigration was none other than the memories of the previous owner’s body.Transmigrating into the modern world Blue Star, Weiss was confronted with a system screen in front of him.[Weiss, two months from now, the invasion from another world will destroy Blue Star. You need to prepare and let the entire human race have the power to defeat those invaders! Become a God-Level Game Developer!]Hearing the sweet yet resolute voice from his system spirit “Alice”, Weiss immediately made countermeasures!Invasion from another world? Create the Idle Tower Defense Game and make the defense of Blue Star invulnerable! Those flying lizards (dragons?) were shot down from the sky by a homing meteor turret!Lack of experience in dealing with a wave of monsters? Zombie Survival Online has been developed! Waves of evolved zombies, the hands of the military were numbed after playing the game!The humans need summoned monsters to fight alongside them for support? The Pocket Monster Game was created just for that purpose! Armed with dimensional pocket balls, the players gazed at the monsters and shouted “Gotta imprison and enslave them all!”As if that wasn’t enough, mages and warriors from another world invaded Blue Star! Weiss immediately developed Fantasia Online and let those aliens get a taste of their own medicine!After awakening the God-Level Game Developer System, creating game worlds that was no different from reality itself became the norm for Weiss Albus!“Invasion from another world? Let the human race treat this as nothing but a game! I, the God-Level Game Developer, approve!”Life is a game, but a game within a game? Only the God-Level Game Developer Weiss S. Albus can develop it!

[Ding! Sorceress Beauty Merlin from Camelot has added you to a chat group full of beautiful maidens!][Ding! You've claimed the title of Supreme Demon Lord!][Ding! Fairy Queen Ophelia tagged you in a post!][Ding! Medusa sent you some of her spicy videos, shut your blinds before watching!][Ding! Your dog has been transformed into the Ancient Black Dragon Veligrpyh!]James Kang, once the youngest heir to the multi-trillion-dollar Hart Global Corporation, has everything anyone could dream of: money, luxury, and freedom. But his life is hollow—friends are fake, family distant, and his days are a blur of shallow extravagance.One late, lonely night, James gets a notification:[Congratulations! You have been added to the Ancient Multiverse Chatroom!]Thinking it's some cringy online role-playing game, he decides to entertain himself and plays along, proclaiming himself the “Supreme Demon Lord.”The group, filled with titles like:[Princess of the Azure Seas][Dragon Emperor of Ashvale][Goblin Slayer Supreme][High Priestess of the Sun][Fafnir, the Pet Wyvern]And they seemed hilariously invested in their roles.What starts as a joke takes a bizarre turn.The more James participates, the more he notices strange phenomena: glowing runes on his skin, magic artifacts materializing from nowhere, an elder dragon in his garage, and a sudden mastery of dark magic.Things escalate when a private group chat, run by a perverted female King Arthur, invites him to [The Table of Beauties], a circle of god-tier roleplayers… or so he thinks.Soon, James learns the truth.The chat is an interdimensional nexus connecting real worlds where magic, legends, and gods exist. His casual banter and fake roleplay have turned him into a living, breathing Demon Lord, complete with a castle in Hell, loyal monster armies, and reality-warping powers.To make matters even crazier, his “friends” start visiting Earth, and they’re nothing like he imagined!

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates