Before I knew it, I had stolen the Dark Lord’s Heart

In a land of frozen wastes, Celine seeks to fulfill her destiny as a guardian knight. Her target: the legendary Duke Willow, the Sword of the North. But the man she finds is not the warrior she expected—he is a frail, smiling boy who hides a terrifying secret. Beneath the mask of weakness lies a darkness that consumes everything. Will Celine protect her lord, or will she become the prey of the master of darkness? Dive into the mystery and uncover the truth in Chapter 1!