Biography of the Marquis of Qin

Single heroine + rough system + twist When the country is broken, a weak king is in power, there are powerful enemies outside, and the internal affairs are unstable, Qin Ming and his generals try to turn the tide, but God's will plays a trick, and he ends up dying on the battlefield, but he has a chance to make a comeback, but he doesn't know if he will repeat the same mistakes this time or...