MTL - Pretend To Be a Boss - ~ Amway a book: I have a synthesizer

“With my knowledge, give me a fulcrum on which to place it and I shall move the world!”

…

Sorcerer Continent—a world where sorcerers exist. Wielders of arcane knowledge. Masters of all elements. Sovereigns of space and time. These sorcerers governed the world with their unrivalled prowess. One day, a young man awakened into this world with his past forgotten and no place to call home. Follow along as Glenn, by relying on his luck and wit, tries to survive and advance in this unforgiving world. Entangled within the machinations of fate, political schemes, power struggles and wars, he forges his own path and creates a place for himself.

- Description from Novelupdates

Elena, who spent her entire life as a cold-blooded female knight to avenge her family, ended up dying without claiming her revenge. When she opened her eyes she found that she went back into the past. By day she was a lady in a dress, and at night she carried a sword to change history and prevent her family’s destruction.

“Son, do you know what this is?”

Thanos raised his golden gloves, and the six Infinity Stones shone with pleated radiance: “If I snap my fingers, you will turn into dust in the wind.”

“Dad doesn’t believe it.”

Fang Mo, who was wearing an endless suit, slowly shook his head, and pointed the Universal Sword in his hand at Thanos Nawa’s bright purple head: “Don’t talk about the Infinity Stones today, even the Heart of the Universe can’t save your dog’s life!”

“Do you know what this is? This is the begging jade!”

Madara Uchiha stood in mid-air and laughed wildly: “It is the strongest spear and the strongest shield, there is nothing it can’t destroy!”

“You really haven’t seen anything hard…” Fang Mo took out a piece of bedrock with a grinning smile: “Dare you dare to compare with it!?”

“Is this… the Sage’s Stone?”

Edward stared blankly at the red crystal in front of him: “Can it ignore the law of equivalent exchange?”

“Well, in a sense, it can only be regarded as the basis for an equivalent exchange.”

Fang Mo touched the portable conversion table in his hand: “But if you want, I can consider sending you a set.”

…

When the fourth natural disaster met the mysterious island module, the cube man finally began to bring disaster to the world.

(To reiterate, the stand-in is Steve, the protagonist of Minecraft, not Captain America, this is the MC text…

- Description from novelbuddy

When Fang Zheng opened his eyes, he was surprised to find himself reborn in a fantasy world of magic, dragons, knights, and princesses. Not only that, but even the game system that Fang Zheng had designed before also followed him into this world. Then, his next step would be to traverse thousands of plains, gain endless strength, become a brave hero, defeat the devil, marry the princess, reach the apex in life… wait, wait, wait, before all that, why was he reborn as someone who everyone called a cultist?