Enslaved in the Army, I Slashed My Way to Prince of Equal Rank

After his soul transmigrates into ancient times, Ye Shisan refuses to crawl on the ground as a slave, so he picks up a blade. With rivers of blood flowing, the emperor appoints him Prince of Equal Rank, granting him a title on a par with the emperor himself, and sends him to guard the border city a thousand miles away. Prince Su brings up their old engagement, hoping to restore the marriage contract that was once broken. Meanwhile, the aging Prince of Northguard, deeply disappointed in the imperial court, hints at a golden opportunity for Ye Shisan to claim the Mandate of Heaven...