Guarded Hearts || Yoon Jeonghan ||

Yoon Jeonghan, heir to a powerful empire, harbors deep-seated resentment toward his father, fueled by a dark family secret. His rebellious nature earns him a reputation as untamable.

When his father appoints Jessica Young, an inexperienced security guard, as his personal protector, Jeonghan sees it as another attempt at control. Determined to resist, he vows to make her job impossible.
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As their cat-and-mouse game begins, Jeonghan's mastery of manipulation clashes with Jessica's unwavering dedication. Will their unlikely pairing ignite a consuming passion or spark Jeonghan's downfall - or redemption?