Story of The Ancient Demon King! - Chapter 36

Connor Drails has always been a nobody—until the day he unleashes powers he never knew he had. Now, he's drafted into the YMPA, a secret academy where teenage mages train as spies to fight dark forces threatening the world.But the real danger isn’t just the brutal training or twisted classmates—it's the MSTO, a shadowy organization with a deadly branch called the TSA, and they want Connor for something terrifying.Between missions, betrayals, and a forbidden crush on the untouchable September, Connor must decide who to trust before he loses everything—even his soul.

Nikola Tesla, the genius, a man who lost everything to balant capitalism and betrayal, awakens to find himself reborn as an orphan. What is this world? Why is he here? And will he once again fall for the capitalistic betrayal or pave his own way? What would happen if his genius adapts to cunningness of the society?

I’ve possessed the mid-boss who tortures the protagonist and receives true education.Am I crazy? How dare I do such a thing to the person who is supposed to be the protagonist?I even planned to treat all the protagonist’s friends hospitably…“Everyone, wait for me! I will definitely become stronger and come to save you!”Oh. Running away.

The leaves of the chess game beside Lanke, and there is no one playing chess among the old trees
Xing caused Tian Yuan’s first son, and then looked back at the vast mountains and seas
When he woke up, Ji Yuan became a half-blind beggar in a dilapidated mountain temple.
A real person has a sword and a magic stick has a mouth, which is the foundation for Ji Yuan to settle down in this terrifying world.

- Description from novelbuddy