MTL - The Kryptonian of a Certain American Comic - Chapter 2 2. Problem students

He lived from BC to the Middle Ages, from the Renaissance to the Industrial Revolution, and from Cyberpunk to the Interstellar Age. He has been a king and a prophet, a knight and a nobleman, a versatile artist, a genius inventor…
This is a four-thousand-year human epic——
“To us four thousand years from now:
“Is the world at peace? Is famine extinct? Can people touch the stars? How long is the human lifespan? How far is the boundary of the earth? Human…do you remember us?”
——Excavated from Earth Age Tenth Century BC, Solomon Prayer Book.

- Description from novelbuddy

Cheng Xu, whose entire property is a waste recycling station, accidentally awakened the system, but why does this system only have a [decomposition] function? So let’s start by refining the gold in circuit boards.

“Wait, I seem to be able to use it to probe?”

“It seems to be good for repairs?”

…

Since then, Cheng Xu has become a humanoid X-ray machine, a humanoid 3D printer, a maintenance master…

But when Cheng Xu completed the first system task, he found out that he really unlocked the system now?

This book is also known as “One Thousand Ways to Use the System” and “My Roommate Who Collects Waste at Home Becomes My Mentor after a Summer Vacation?” “, “You want to marry a waste collector? 》

- Description from novelbuddy

Ryutaro, an ordinary high school student, was suddenly summoned to another world by a mysterious magic circle in his room. Upon arrival, he was greeted by King Albert of the Celestia Kingdom, who declared him a hero destined to defeat the Demon King. However, when Ryutaro checked his status, he was shocked to discover that his assigned job was not a warrior or mage, but… a Farmer.Deemed a failure, Ryutaro was cast away to Black Forest, a place where unfit heroes were abandoned and where the Demon Queen was imprisoned. Just as he was about to despair, a system notification revealed the existence of a Legendary Hoe, a mythical farming tool with extraordinary abilities. Determined to prove his worth, Ryutaro embarks on a journey to master his newfound power and show the world that even a farmer can become a hero.But deep within the forest, an unknown figure watches his every move… Who is this mysterious person, and what awaits Ryutaro in this new world?

High school student Mikoshiba Ryouma was summoned to a different world in the middle of a war. Sensing the malice from the one who summoned him (a summoner of the O’ltormea empire), he uses his martial arts to run away, killing important people of the empire during his escape. After the escape, he rescues two twin sisters from the hands of thieves. The sisters who can use magic, swear to serve him as subordinates. Thus, Ryouma begins his journey on the path of the supreme ruler.