Reborn Amid the Flames: The Child Bride Who Was Married Off in Her Sister's Place Goes on a Rampage

Reborn as a child bride brought in to replace another, she awakens a System for killing the enemy before she can avenge her family! She earns weapons by killing Japanese invaders and personally kills her traitorous husband. Along the way, she also picks up a loyal hunter. He protects her with his life, and she vows to stand by him with hers. With the country not yet restored, how can they speak of love?