Transmigrate to the Late Ming: Starting as an Undercover Bandit

Li Jian is a modern college graduate who transmigrates to the Chongzhen era of the Ming dynasty and becomes a low-ranking constable in a county town. With no family connections or resources, he is assigned by Constable Han to infiltrate a band of mountain bandits outside the city. While he's away, the county town falls to rebel forces. Li Jian left home just fine, but now he can't get back. Forced into action, he begins his rise in the late Ming dynasty...