After I Swapped the Marriage, the Commander Regretted

Seraphina once loved Commander Rion. But before they died, his last wish was for her to give Leila back to him. Reborn, she gives up on Rion and takes Leila's place as the Dragon Lord's bride. Rion knows nothing and still believes she will marry him. He hurts her again and again... until he lifts the veil and finds Leila there. Seraphina is gone...