Synopsis

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.
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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.
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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.
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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.