The Record of Sharp Edge in the Late Ming Dynasty

In the chaotic times of the late Ming Dynasty and early Qing Dynasty, a boy turned into a man. In order to survive in the context of the times, he had to become ruthless to survive! The Ming Dynasty's army collapsed, the rebel army seemed to be for the people, and the aliens outside the customs. The protagonist took Emperor Chongzhen's edict to find a way in the troubled times!