The Legend of Emperor Jing

Single female protagonist, single male protagonist, indigenous people, not arrogant, counterattack, pretending to be a pig and eating the tiger, imagining history, starting low and walking high The father died of illness, and the mother was insulted by the landlord, but she worked hard to raise the protagonist. In the end, after the protagonist's adult mother completed her mission, she couldn't bear the insult in the past and committed suicide at home. The protagonist is depressed and frustrated. Although he has a lot of economics, the country is corrupt and suffers from internal and external troubles. I wanted to live a peaceful life, but bandits awakened this sleeping beast. How can a mortal become emperor without a system or a proud setting?