After I Swapped the Marriage, the Commander Regretted

Source is only a promotional line with no plot, so describe from genres and tags. A romance built around a reborn heroine who swaps places in an arranged marriage, and a commander who only comes to regret the choice after it is too late to undo. The story explores second chances, lingering remorse, and a bride swap that changes the course of two lives. Its 47 episodes follow the fallout of that switch and the regret that arrives long after the vows.