Siheyuan: Starting from an Aerospace Engineer

Lin Feng passed through the courtyard house and learned the aviation machinery skill through signing in.

He improved the aero engine, developed the fighter jet, designed the plasma stealth technology…

The successful Lin Feng returned to the courtyard house to take care of his wife and children.

He actually stole the blueprint of the plasma stealth fighter jet from Lin Feng.

In his anger, Lin Feng was caught with a baton…

"He’s just a child. Why are you bickering with him?" Qin Huiru asked.”

"The child is still young, it’s normal to make mistakes."”

Yi Zhonghai: " We all make mistakes. Haven’t you made any mistakes? As a lord, I won’t allow you to harm people!”

……

Lin Feng faced the accusations of the beasts in the courtyard and coldly spoke,"Some mistakes can only be made once!”