A Mastermind? No, I'm just the Live-In Son-in-Law - Chapter 4: Slave Market

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

Lin Feng was reborn and returned to the day of the “Destiny Continent” public beta!

In order to control his own destiny, Lin Feng resolutely entered the game!

But after he just logged into the game, he was suddenly bound to the 10,000-fold increase system!

“Ding dong~ You triggered the 10,000-fold increase and successfully obtained the SSS-level talent [Unlimited Firepower (Unique)]!!!”

“Ding dong~ You have triggered a ten thousand-fold increase and successfully obtained the forbidden spell [The Scroll of Destruction Codex (Mythical Grade)]!!!”

“Ding dong~ You triggered the 10,000-fold increase and successfully obtained the buff [Permanent Invincibility]!!!”

Hostile player: “Report, this is forcing you to hang up!”

- Description from novelbuddy

“Today’s sign-in +1 is not used, please start today’s sign-in!”

“Sign in successfully, get 10 billion cash, which has been transferred to the bank account, please check.”

Ding, 10000000.00 yuan has been credited to your bank card.

“The treasure chest has not been opened today, do you want to open the treasure chest?”

“Successfully open the treasure chest, get a luxury cruise ship worth tens of billions, a private helicopter worth tens of billions!”

Chu Ping: “This system is too awesome!”