You Say Technology Is Useless and You Want Me to Build Muscles?

Lin Fan traveled through time and became a child, but found that he seemed to be different from others? This world... Is a bit strange. Tie a boulder to the back of your bicycle and carry your car to work? ! Are you sure this is a kindergarten? They are each a few meters tall and covered in tendons. Tyson has to kneel down when he comes... And the courses here are actually fighting, bullfighting, mountain climbing, swimming, and wilderness survival? Nothing depends on brains, only muscles? Gan! How can one live like this? In extreme despair, Lin Fan bound to the black technology system. From then on, the world became more colorful. You say technology is not as good as muscle? Want to know more about exoskeleton mecha? You say technology does no harm? Want to know about the Star Destroyer Cannon? …. A few years later, star battleships slowly rose up one after another, and the whole world was numb! The introduction is weak, please read the text! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.