I Became Invincible After Sweeping The Floor For 70 Years - Chapter 840 - : The Rules Will Follow What I Say

Two Zatarian youths embark on a cross-dimensional journey to uncover their true identities, encountering both allies and formidable adversaries along the way.They must collaborate to decipher the significance of the symbol imprinted on them, but a faction known as the Nitharians seeks to eliminate them before they can uncover the truth. Naburo, the leader of the Nitharians, has dispatched his most trusted son and his team to guarantee the success of this mission.Will Naburo's son and his team prevail before the Zatarians discover their true selves?

One day every human on the world suddenly receives a mail claiming to enact the World Salvation Project. Half in doubt Kurosaki Shion, a diligent university student and loner, follows the mail’s instructions, becoming one of a million Demon Kings governing his very own Domain in the new world.

*** This is a post-apocalyptic story containing many fantasy elements. It is a somewhat dark tale following Shion as he grows while aiming for the unification of the all too sudden new world. It has many game-elements bolstered by strategical thinking while at the same time providing funny moments and romantic encounters.

【Explosive Fantasy, Exhilarating Fiction】He had been beaten by his father into a cripple and kicked out of his home, yet he was the most badass genius in history. The Empress of the Divine World? She’s my woman! The Great Lord of the Demon World? He’s my disciple! The Dragon God of the Demon Realm? He’s my mount! Those who mess with Xu Nian will die! Those who touch Xu Nian’s Forbidden Lamella will wish they were dead!

[Warning: Mature content, R18, Harem, Monster Girls, No NTR, No Rape ]He was a prostitute who had a simple dream. Living in peace, going to college and getting a good job like an average man of his age. But when he decided to leave his old life behind and pursue his dream, he was killed by demons.But he got a second chance as a dragon king in a different world. A world filled with monsters and strange tribes that he had never seen before. As the protector of that foreign world, he tried his best to regain his power before the other tribes realized it. Then ... he discovered the secret of the Dragon King's power was he must build a harem ...