The King of The Worlds - Volume 4: Chapter 57 - Wandenreich

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

He was the merciless Soldier King on the battlefield who sent shivers down the enemies' spines; he was the soldier scoundrel in his squad who could make anyone both cry and laugh; he was the Big Brother everyone in the urban underworld aspired to be; he was the male god in the hearts of young girls and beautiful women; he returned with a mission...Uniting the underworld, establishing an economic empire, he vowed to become the supreme overlord of this world...To prevent the world from destruction, to protect world peace, to implement love and truth's evil, the lovely and charming antagonist, he is Xiang Yu, and he speaks for himself...

Ning Shi, a man from Saturn, accidentally downloaded a game on his phone called the Age of All.

“Beep! Clone successfully created!”

Ning Shi received a clone in the game. Whenever his clone got stronger, his real self would get stronger as well.

“Your clone has trained in the training room for 12 hours. Vitality +1, Mentality +1.”

“Your clone has slain the Earth-Dragon. You have received the Earth-Dragon Bloodline.”

“Your clone has consumed the Charm Fruit. Beauty +10.”

His clone started to conquer the game, created his own faction, and left a legacy.

“Your clone has successfully won the heart of Alice the Rose Duchess. Alice will be arriving in your world shortly. Please be mindful of your surroundings.”