He transmigrates into the son of Zhu Chongba. After advising Old Zhu not to be so tyrannical, he is reprimanded by his own son, then flies into a rage and is banished to his fief. Fortunately, the Myriad Worlds Trade System favors him. There's no reason the second-generation ruler of Great Ming can't wear the imperial robes, either. The rest goes without saying: some things can only be understood after experiencing them firsthand, including why Old Zhu is so fond of ruling the world through killing.
