Junior sister, keep forbear for a while, I almost become invincible as soon! - Chapter 20 Eighteen Years Old, Still Young

The invincible strongman who roams through the city by day and night, a supreme soldier king that moves across the urban landscape.

The definition of a villain according to Kim Sangmin: The person who has to die for the story to end.But his story had just begun when the villain of the book he was reading died in the end, and he woke up to start the story again.As he uncovers the hidden, untold truths behind the cascade of a villain, the more he leans towards becoming a true villain—only in pretend, of course! He has a little brother to take care of, he can't just die and leave him alone. He's also his baby brother's role model, so he has to teach him how to live a long life by becoming a hero instead!And how does he plan to become a hero?Obviously, by stalking the actual main character of the book and overtaking his spotlight at every chance. Step by step, he would overthrow the 'real' hero of the book and change his status to one with praise.Easy, right?

When a boy in a medieval fantasy world wakes up with the memories of his past life, he discovers a secret buried deep within his mind—a highly advanced AI companion. This AI, a relic of his previous existence, holds the knowledge of a futuristic world filled with technology, science, and innovation.Armed with this unprecedented advantage, the boy embarks on an extraordinary journey to transform his medieval surroundings into a thriving futuristic utopia. From reinventing agriculture to creating advanced cities, he introduces ideas far beyond the comprehension of his peers. But his vision isn't without challenges—power-hungry nobles, skeptical commoners, and ancient magical forces stand in his way.

[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