One Piece: I'm Destined to Be the Son-in-Law King! - Chapter 174: Caesar Clown, the Prized Treat

Cosplayer Liu Mang accidentally crosses through time and arrived at the Eastern Han Dynasty wearing Aries Gold Cloth. (Saint Seiya!) He arrived on top of the walls of XiaPi right when it was about to fall to Cao Cao.

“Don’t kill me bro; I’m not working for boss Cao!”

“Hey! You’re slashing the wrong person! Boss Lu’s underlings are there! Not me!”

He accidentally saved Lu Bu who was tied up by Song Xian. He accidentally became the son in law of Lu Bu. He accidentally changed the history of the Three Kingdoms period.

When aluminum casted Gold Cloths are worn by generals like Zhang Liao and Gao Shun during the Eastern Han Dynasty, glistering on their bodies… When the soldiers in the camps are sporting mechanical crossbows… When crossbreeding of rice plants appeared on Lu Bu’s territory…

Liu Mang knows that a world belonging to Lu is coming.

- Description from Novelupdates

My name is Qi Yuan, and I am a time traveler who now holds the esteemed title of the eldest martial brother at Seven Colours Peak. I am armed with a game jade slip capable of connecting realms across the heavens, and blessed with the ability to unveil hidden information through my discerning eyes.[A seemingly ordinary blade of grass reveals secrets of a clandestine meeting between True Man Ku Mu and Empress Dashang that transpired just three days prior.][Her name is Ruan Yixi, who appears to be your beautiful master on the surface, but she may have a deeper connection, perhaps she is even your wife.][This is Heavenly Dao of the World, a Spiritual Object renowned for its significance in Foundation Establishment][This is a lifeless planet, a potential vessel for the creation of a Golden Elixir].So my road of cultivation turns gradually strange.“Heavenly Dao? A Spiritual Object for Foundation Establishment?”“So many desolate planets, all refined into Golden Elixir!”The Heavenly Dao is used as the foundation and refining stars into Golden Elixir.I am Qi Yuan, I become the origin of all things.My name is Jiang Lingsu, a fellow disciple at Seven Colours Peak. My Senior Brother is mentally ill.He is never focused on work. Nor does he like cultivation. He only loves simulation games.Senior Brother says, “Playing games is like cultivation. It can also create a world.”One day, there is one more sun in the sky.I ask him what it is, he says, “That is my Golden Elixir!”This book is also titled 'Cultivation: The Jade Slip's Universe' and 'The Golden Elixir I Cultivated is a Planet,'

He was just an ordinary man from modern era.Yet he was also a feared deity worshipped in divine era.In this time where gods walked with mortals, he will survive and thrive.He is no longer a man.He is Hades, the God of the Dead and King of Underworld.

Summary Version 1:

The mysterious boy Ling Chen is saved by a little girl as he lay on the street dying. Years later, he strikes a deal to save this savior-turned sister and enters the virtual world. In a future Earth where advanced warfare has forced nations to settle issues virtually or else suffer the consequences, Ling Chen bursts into the scene and goes from unknown to legend. Yet all is not as it seems, for Ling Chen has a dark past, and there is a greater mystery at hand behind this virtual world.

Summary Version 2:

To save his terminally ill little sister, Ling Chen enters the newly released virtual game world and joins a small gaming studio comprising entirely of women. From now on walking upon his path towards the pinnacle. An ancient, evil item almost forgotten by history, the “Lunar Scourge” helps forge his unsurpassable legend, and causes him to unknowingly step upon a path that is destined to be punished by the heavens, the way of the shura.