How Did a Stalwart Man Like Me Turn into a Ferocious Policewoman?

[Comedy + scheming + male-to-female transformation (partial gender change) + System] He went from being a male college student fresh out of university to becoming Longcheng's gorgeous policewoman. After obtaining a policewoman training System, he has to become the nation's number one policewoman. And now he's even expected to help unify the country? Is that really part of a policewoman's job? Come on, warlords are fighting all over the place. How am I supposed to survive?