A Mastermind? No, I'm just the Live-In Son-in-Law - Chapter 53: The Demon King

Heaven Concealing Great Sage Xie Chuan was plotted against by his enemy. Trapped within the God Burial Valley, he found a supreme martial technique hidden in a tomb called Demon Refining Heaven Swallowing technique.

Millions of years after the betrayal, reincarnated in a direct disciple’s body belonging to a small sect named Cloud Mist Sect, Xie Chuan finally broke out and escaped from God Burial Valley.

“In my previous life, I had only concealed the heaven with my hands. This life, I want to refine demons and swallow the heaven!”

The heaven swallowing expert who walked out of God Burial Valley was just born!

- Description from Novelupdates

When he opened his eyes he found that he had been reborn as an extra in a novel, which he finished reading yesterday. On top of that, he has become a student of the same battle academy, where the main plot will happen. Let's accompany Rio on his journey and find out where it leads us.“i will steal protagonists chances, as for what will happen to main plot if i do so? i don't care!” (Rio)*The book cover doesn't belongs to me if someone wants me to take it down please contact me directly.*(MC is selfish and cares most about himself, rather than following the main story he will follow his own will. and there's no harem too.so, if you like a hero of justice and a plot following type mc with a harem or something then this is not your cup of tea.)

A world where God will grant abilities called Skills to those who come of age. The protagonist, bestowed with two skills, uses them and rises to an existence called a hero.

[There will be Some Mature Content!!]Reo Steal a SSS-Ranked Pendant and got chase down by a Two Faction Dark Aether and UnionIn a world where superpowers awakened and monsters emerged, humanity united under one banner. Or so it seemed. The Union, formed to protect the people, became corrupt—doubling taxes, silencing dissent, and ruling the cities with an iron fist. Behind them stood untouchable elites who could do anything they pleased.Opposing them from the shadows is Dark Aether, a villainous group of unmatched strength and twisted ideologies.And caught in between... were the innocent.Reo suffered under both factions. In his final breath, he swore an oath: If I get another chance… I’ll burn both of them to the ground.Reincarnated into a younger body, Reo awakens in a school building, bruised and battered from yet another beating—this time by someone backed by the Union. has been bullying this bodyA screen flashes before him.[SYSTEM ACQUIRED][Goddess seducing System][Could Summon Goddess +1]What starts as a path of vengeance and filled with danger Reo can grow stronger by pleasuring the summoned Goddess and fulfilling The System needsand Make history Carving his Path Being the Fastest Human too have Grown Strongeralso having his ability in Reo Past Life Cloning abilityA modern-era revenge fantasy laced with power, mystery, and dangerously tempting blessings. The world is 100 times larger than Earth, and so is the scale of betrayal—and the pleasure that comes with vengeance.---and basically summary Weapon Crafting That Reo stole the body posessing it and Cloning Power was Reo ability in his Past lifeand The system was not supposed too be in Reo hand's but the SSS-Ranked Pendant he used stole it and possessed the body ultimately getting the systemif you want adventures with some +18 that the world is extremely vast People Schemed Different regions that are 20x larger than Earth