I Teach the Eldest Grandson to Rebel, and Old Zhu Kicks Down the Door with an Imperial Robe

“Bro, you’re right! Ming paper money is toilet paper, and Old Zhu is a fool! This realm is bound to descend into chaos sooner or later. Why don’t we start a rebellion?” Su Bai had just transmigrated to the Ming dynasty when he found a half-dead brat in a mass grave. To activate the System, he spent every day teaching the kid modern economics, firearms engineering, and even... the art of overthrowing a ruler!