Please Be Patient, Grand Duke - Chapter 75.2

Kurogami Ichiro was desperate because he couldn’t achieve what he wanted when he once started his martial arts path at age of 8!

This is a story about a badass,

What was originally an ordinary day, suddenly became a historical turning point. Enormous, mysterious Cubes appeared all over the world without warning and as if Judgement Day’s spears, inserted themselves into the blue planet.

From inside the enormous Cubes, endless streams of monsters gushed out alike raging tides, utterly defeating the unguarded armies of each state in the blink of an eye.

In order for humanity to preserve its final embers, the heads of states issued orders of retreat, to no longer attack the Cubes but rather to cling to remote cities, which they turned into self-sufficient survivor bases and around which they built 100-meter-tall Walls of Life!

Many years later, while bearing the heavy weight of history, the first expeditionary force brought back a world changing piece of information. The Cubes possessed exceedingly high intelligence and they regularly transmitted mission instructions to humans nearby. The mission rewards were incredible.

Since then, humans rushed out of the confines of the walls and once more set foot on the wasteland!

- Description from Novelupdates

The Earth's Evolution begins with the first phase Monster Invasion, and everyone receiving a system.The system allows them to choose classes like RPG games: Warrior, Mage, Paladin, Healer, and many more.____Li Wei and Li Xin were both shut-in gamers and stepsiblings. They were bored with normal life and yearned to live as if they were in RPG games.When suddenly the world started to change suddenly like they wanted.Li Wei selected special class, “Jack-of-all-Trades,” because he desired to master everything.There was no problem and everything was going well, when suddenly he was forced to accept the quest to kill gods, along with the upgrade of his system.Little did he know that he was chosen mistakenly because of his bad luck.However, every time he kills a monster, he gains 10× more XP and rewards than a normal person, making him stronger.___It was when the second phase of Earth Evolution starts, making everyone stunned because it begins with 'World Rebuilding.'The Earth begins to absorb nearby worlds, changing the whole map, adding dungeons and spawning monsters.The Earth was changing, similar to fantasy world's described in games and novels.____Li Wei and Li Xin were in trouble as people discovered their extraordinary strength; because of this they escape from the city of earth and head towards unknown forest where they stumbled upon a city from another world.The city was just like a fantasy where Adventures Guild existed with all kinds of quests.