Beware Mr. Officer, Tread Carefully! (www-readlightnovel-me)

He—an enigmatic and cold-blooded soldier with a mysterious background. She—a ruthless and bloodthirsty spy. After she transmigrated out of the blue, she held a knife to his neck on their first meeting— marking the beginning of their twisted fate. One day, she pinned him to a wall. “I’ve been teasing you for so long bu…